Registering a clinical trial in ClinicalTrials.gov
Epub 2007 Feb 15.
Deborah A Zarin
The National Library of Medicine, Rockville, MD. Electronic address: email@example.com.
The National Library of Medicine, Rockville, MD.
No abstract available
Clinical Trials as Topic*
Meta-Analysis as Topic
National Library of Medicine (U.S.)*
Randomized Controlled Trials as Topic