Terminated Trials in the ClinicalTrials.gov Results Database: Evaluation of Availability of Primary Outcome Data and Reasons for Termination

Open Access

Peer-reviewed

Research Article

Rebecca J. Williams ,

* E-mail: williamsre@mail.nih.gov

Affiliation National Library of Medicine (NLM), National Institutes of Health (NIH), Department of Health and Human Services (DHHS), Bethesda, Maryland, United States of America
⨯
Tony Tse,

Affiliation National Library of Medicine (NLM), National Institutes of Health (NIH), Department of Health and Human Services (DHHS), Bethesda, Maryland, United States of America
⨯
Katelyn DiPiazza,

Affiliation Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America
⨯
Deborah A. Zarin

Affiliation National Library of Medicine (NLM), National Institutes of Health (NIH), Department of Health and Human Services (DHHS), Bethesda, Maryland, United States of America
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