Cite
HARVARD Citation
Viergever, R. et al. (2015). Trends in global clinical trial registration: an analysis of numbers of registered clinical trials in different parts of the world from 2004 to 2013. BMJ open. 5 (9), p. . [Online].
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Viergever, R. et al. (2015). Trends in global clinical trial registration: an analysis of numbers of registered clinical trials in different parts of the world from 2004 to 2013. BMJ open. 5 (9), p. . [Online].