Update on Registration of Clinical Trials in ClinicalTrials.gov.
Tse
Tony
T
Lister Hill National Center for Biomedical Communications, National Library of Medicine, National Institutes of Health, Bethesda, MD.
Williams
Rebecca J
RJ
Lister Hill National Center for Biomedical Communications, National Library of Medicine, National Institutes of Health, Bethesda, MD.
Zarin
Deborah A
DA
Lister Hill National Center for Biomedical Communications, National Library of Medicine, National Institutes of Health, Bethesda, MD. Electronic address: dzarin@mail.nih.gov.
D002986:Clinical Trials as Topic / Q000331:legislation & jurisprudence*; D006801:Humans; D012042:Registries; D014481:United States