ClinicalTrials.gov scope expanded.

Ripple AM, Tse T, Zarin D

NLM Tech Bull. 2005 Jul-Aug;(345):e6.

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Abstract:

Ripple AM, Tse T, Zarin D. ClinicalTrials.gov scope expanded. 
NLM Tech Bull. 2005 Jul-Aug;(345):e6.

URL: http://www.nlm.nih.gov/pubs/techbull/ja05/ja05_clinical_trials.html