Trends in global clinical trial registration: an analysis of numbers of registered clinical trials in different parts of the world from 2004 to 2013

标题
Trends in global clinical trial registration: an analysis of numbers of registered clinical trials in different parts of the world from 2004 to 2013
作者
关键词
-
出版物
BMJ Open
Volume 5, Issue 9, Pages e008932
出版商
BMJ
发表日期
2017-07-18
DOI
10.1136/bmjopen-2015-008932

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