Overview of phase IV clinical trials for postmarket drug safety surveillance: a status report from the ClinicalTrials.gov registry
Zhang, Xinji, Zhang, Yuan, Ye, Xiaofei, Guo, Xiaojing, Zhang, Tianyi, He, JiaVolume:
6
Language:
english
Journal:
BMJ Open
DOI:
10.1136/bmjopen-2015-010643
Date:
November, 2016
File:
PDF, 997 KB
english, 2016