• Zarin DA, Tse T, Williams RJ, Califf RM, Ide NC. The ClinicalTrials.gov results database--update and key issues. N Engl J Med. 2011 Mar 3;364(9):852-60. doi: 10.1056/NEJMsa1012065.

  Abstract | PMID:  21366476 | PMCID:  PMC3066456
• Zarin D, Tse T, Sheehan J. The proposed rule for U.S. clinical trial registration and results submission. N Engl J Med. 2015 Jan 8;372(2):174-80. doi: 10.1056/NEJMsr1414226. Epub 2014 Dec 24.

  Abstract | PMID:  25539444 | PMCID:  PMC4344313
• Tse T, Zarin D, Williams R, Ide N. The role and importance of clinical trial registries and results databases In: Gallin JI, Ognibene FP, eds, Principles and Practice of Clinical Research. 3rd ed. Amsterdam: Academic Press; 2012: 171-81.

  Abstract
• Matheson NW, Ash JS (Interviewer and Editor), Sittig DF (Interviewer and Editor), Goodwin RM (Editor). The Woman Behind the NLM’s Integrated Advanced Information Management Systems (IAIMS) Initiative: 2005 Interview of Nina Matheson. Conversations with Medical Informatics Pioneers: An oral history project.

  Abstract | Medical-Informatics-Pioneers_Oral-History_NINA-MATHESON_2015-08-19_web.pdf
• Zarin DA, Tse T, Ide NC. Trial Registration at ClinicalTrials.gov between May and October 2005 N Engl J Med. 2005 Dec 29;353(26):2779-87

  Abstract | pub2005040.pdf | PMID:  16382064 | PMCID:  PMC1568386
• Tse T, Williams RJ, Zarin DA. Update on Registration of Clinical Trials in ClinicalTrials.gov. Chest. 2009 Jul;136(1):304-5. doi: 10.1378/chest.09-1219.

  Abstract | PMID:  19584213 | PMCID:  PMC2821288

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