Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-16T12:38:14.514793Z
Paper Citation Record · LEDGER
As of 23 August 2026, this Paper Citation Record lists 59 of 59 outbound references and 0 inbound Pith citation observations for arXiv:2504.12415.
A citation records a reference. It does not transfer a finding from one paper to another.
Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-16T12:38:14.514793Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-23T06:30:58.430688+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links
A source-named dated measurement, never combined with another source.
Source: cited_works
59 of 59 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 11433e68-28fe-4aa3-a640-2fffab4d6e6d · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Use of real-world evidence from healthcare utilization data to evaluate drug safety during pregnancy
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 6f577595-2f36-404c-a9a6-2a8776fe363a · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Identification of pregnancies in healthcare data: A changing landscape
Reference 2
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 069345ba-03a2-4b80-a6e6-6ec9272166a8 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Immortal time bias in pharmacoepidemiology
Reference 3
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 9ffee5d0-39d8-40cc-a9ef-fac913833b1f · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Specifying a target trial prevents immortal time bias and other self-inflicted injuries in observational analyses
Reference 4
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 1685f350-73fd-45c8-bdba-9f49b8745519 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Identification of pregnancies and infants within a US commercial healthcare administrative claims database
Reference 5
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation c4f4993c-c804-4505-bc6f-88031dc1c5ae · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method ACOG Practice Bulletin No
Reference 6
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 0b5a37f1-da1e-4c27-bb21-254942ecb68c · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Bias from restricting to live births when estimating effects of prescription drug use on pregnancy complications: A simulation
Reference 7
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 881120f0-327e-4e44-9b7f-d7fe33aeb56e · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Bias from conditioning on live birth in pregnancy cohorts: An illustration based on neurodevelopment in children after prenatal exposure to organic pollutants
Reference 8
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation a618998b-8fe0-42c4-8743-1c414a69a692 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method The effect of prenatal treatments on offspring events in the presence of competing events: An application to a randomized trial of fertility therapies
Reference 9
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 3d6e6d60-d4ca-43dc-9f3e-9e8c5ed677b4 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Causal diagrams for empirical research
Reference 10
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 1f102476-ce34-4825-a4ae-4e8e4ca5fa19 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Causal Diagrams for Epidemiologic Research
Reference 11
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation d76dbaef-6220-4a18-b83a-8ce1b159a7b1 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Multistate methodology improves risk assessment under time-varying drug intake—a new view on pregnancy outcomes following coumarin exposure
Reference 12
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 187690e0-a60b-4dd2-b2fa-ea2ed5dd648d · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Inference for Events With Dependent Risks in Multiple Endpoint Studies
Reference 13
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 33ee2e4f-1eac-4402-b1df-28a5532464c9 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method A Structural Approach to Selection Bias
Reference 14
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation dfd5a2cc-be54-4d97-ba5b-c711a6e866fd · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Toward a Clearer Definition of Selection Bias When Estimating Causal Effects
Reference 15
Source-reported events for the cited work
correction dated 2024-04-22. Source: crossref record 10.1097/ede.0000000000001735->10.1097/ede.0000000000001516:correction, observed 2026-07-11T02:56:14.726756+00:00. This notice travels one citation hop only.
Observation 99e86aaa-1171-41c6-81b0-f92100ac2ee4 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Using causal diagrams to guide analysis in missing data problems
Reference 16
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 2f64ae6d-9f5f-4f92-ad06-86262806bfb9 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Selection Bias Due to Loss to Follow Up in Cohort Studies
Reference 17
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 1b91e7e6-2e0f-42df-89d0-3489b97b020c · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Bounding Formulas for Selection Bias
Reference 18
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 3d97221a-ceee-49b3-9b29-77fdb0500a14 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Methods for the assessment of selection bias in drug safety during pregnancy studies using electronic medical data
Reference 19
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 16b6f68f-ca82-489b-aa0c-758e5ae46970 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Investigating the optimal handling of uncertain pregnancy episodes in the CPRD GOLD Pregnancy Register: a methodological study using UK primary care data
Reference 20
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 42b9b11e-bea5-4846-a8d3-a95ef32914f2 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Causal Inference, Causal Effect Estimation, and Systematic Error
Reference 21
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation d9fb229a-8052-4ace-bbf9-4f9a58ab20ae · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Inference and Missing Data
Reference 22
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e22bb018-e454-4ca5-91d2-456cfa407664 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Nonparametric Bounds for the Risk Function
Reference 23
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 9c5c96aa-4730-48c9-8eba-43581c0eb4fb · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Principled Approaches to Missing Data in Epidemiologic Studies
Reference 24
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 51b69b4d-702c-427f-90a5-7de3b9a9b76d · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Missing data methods in longitudinal studies: a review
Reference 25
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation fd69f65b-833b-40eb-bf7a-a4c48623dde2 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Treatment for Mild Chronic Hypertension during Pregnancy
Reference 26
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation fcfa97c2-0152-4e65-bee6-b6be8853d2a5 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Illustrating How to Simulate Data From Directed Acyclic Graphs to Understand Epidemiologic Concepts
Reference 27
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 94c2cffb-874a-47f8-af2f-fe1c1ada502a · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method ACOG Practice Bulletin: Chronic Hypertension in Pregnancy
Reference 28
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 3e3cbedc-2c30-45b4-9002-546e28747047 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Guidelines for Perinatal Care
Reference 29
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation dfbbb4ba-5a4b-4553-9dc4-46e7ab106ab5 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Ondansetron use in early pregnancy and the risk of miscarriage
Reference 30
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 21bd8525-6f55-4ea8-a711-cc8bdf986cd4 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Impact of the transition from ICD–9–CM to ICD–10–CM on the identification of pregnancy episodes in us health insurance claims data
Reference 31
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 98a9d1b9-270e-4b27-b24b-b11cd38e3652 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Identification of pregnancies and their outcomes in healthcare claims data, 2008-2019: An algorithm
Reference 32
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 827539cc-c118-40b2-8cea-92faf10f38b0 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Methods to generate and validate a Pregnancy Register in the UK Clinical Practice Research Datalink primary care database
Reference 33
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 6cca0cca-2157-4bcc-9b8c-0695412cf56a · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method An Empirical Transition Matrix for Non-Homogeneous Markov Chains Based on Censored Observations
Reference 34
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation ebc69bd8-dc7d-4bd8-8814-a5cdaa4c778a · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Healthy Live Births Should be Considered as Competing Events when Estimating the Total Effect of Prenatal Medication Use on Pregnancy Outcomes
Reference 35
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 4912c55d-bc69-41fa-b090-fb5706f9afc9 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Applications of Stratified Analysis Methods
Reference 36
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 25acbb12-b0e6-4c5d-811a-e5b697143be8 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Bias due to selection on live births in studies of environmental exposures during pregnancy: A simulation study
Reference 37
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 048deeea-c807-4b62-ab49-acd6f585c399 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Bias toward the null hypothesis in pregnancy drug studies that do not include data on medical terminations of pregnancy: The folic acid antagonists
Reference 38
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation da4c8bb5-d303-417c-9451-2c9ca020e1a8 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Statistical methods for estimating the probability of spontaneous abortion in observational studies-Analyzing pregnancies exposed to coumarin derivatives
Reference 39
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 834676de-bb3b-4603-9eda-5d195c290755 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Spontaneous abortion as a screening device: the effect of fetal survival on the incidence of birth defects
Reference 40
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation d86f0386-aed3-4987-a4d8-11acb54a0d78 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Multiple imputation for cause-specific Cox models: Assessing methods for estimation and prediction
Reference 41
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 99f1cae2-794e-4c87-8401-3c31a6ab36a8 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Missingness in the Setting of Competing Risks: from Missing Values to Missing Potential Outcomes
Reference 42
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 776dceb3-0170-4bc7-8f4f-d6f3203ace7c · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Bias due to confounders for the exposure-competing risk relationship
Reference 43
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation d6609e72-1cf2-475d-a7c3-850d3fc1ea81 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method A causal framework for classical statistical estimands in failure-time settings with competing events
Reference 44
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation b3729235-a044-45eb-9a93-9a55a38d9f4b · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Causal Inference in the Face of Competing Events
Reference 45
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 0753258f-f67b-4f7d-8439-0755dd17de9e · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Unresolved cited work
Reference 46
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation de78d996-40e6-4c85-bb27-cc0292cc91b0 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Unresolved cited work
Reference 47
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation e471a233-ea9a-419d-8c1d-34d7fb9d583e · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method SolO campfires in SDO images
Reference 48
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 895e3fa6-26cf-45f3-906d-8d6e1e3016fc · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Treatments for pregestational chronic conditions during pregnancy: emulating a target trial with a treatment decision design
Reference 49
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 1402ebbd-4f0c-47ad-b619-10bb8ec584f1 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Emulating a target trial of interventions initiated during pregnancy with healthcare databases: the example of COVID-19 vaccination
Reference 50
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation b3cc042e-4a45-49c5-9674-521ad03a76a3 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Emulating Target Trials to Avoid Immortal Time Bias - An Application to Antibiotic Initiation and Preterm Delivery
Reference 51
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation b83dcf66-4a7b-45e9-9510-8ec2378380dc · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method A potential outcomes approach to defining and estimating gestational age-specific exposure effects during pregnancy
Reference 52
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation fe2650cd-3c59-499b-bd48-46dd67369966 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method A method to visualize a complete sensitivity analysis for loss to follow-up in clinical trials
Reference 53
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation db051d89-26fb-4ae6-8e3d-2dbd2bdde364 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method MCAR, MAR, and MNAR Values in the Same Dataset: A Realistic Evaluation of Methods for Handling Missing Data
Reference 54
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 49705299-872f-473e-936f-77777c7ffa6b · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Missing data in clinical studies: Issues and methods
Reference 55
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation cf3bfa1e-4e16-4947-879a-3aa82e134415 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Unresolved cited work
Reference 57
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 6768db8d-bb65-4c8f-b9b6-a8ed54ef0b6c · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Unresolved cited work
Reference 58
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation f6e0bc8b-a1d9-4c75-ab02-ea54116fa892 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method continuing pregnancy
Reference 59
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 99b02e2c-6721-411f-bcb1-5e42c9a68423 · outbound
Bias in studies of prenatal exposures using real-world data due to pregnancy identification method Unresolved cited work
Reference 256
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
No inbound Pith citation observations are available.