Update on Registration of Clinical Trials in ClinicalTrials.gov.

Tse T, Williams RJ, Zarin DA

Chest. 2009 Jul;136(1):304-5. doi: 10.1378/chest.09-1219.

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Abstract:

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.

PMID | PMCID