Previously unidentified duplicate registrations of clinical trials: an exploratory analysis of registry data worldwide
Crossref DOI link: https://0-doi-org.brum.beds.ac.uk/10.1186/s13643-016-0283-8
Published Online: 2016-07-15
Published Print: 2016-12
Update policy: https://0-doi-org.brum.beds.ac.uk/10.1007/springer_crossmark_policy
van Valkenhoef, Gert
Loane, Russell F.
Zarin, Deborah A.
Funding for this research was provided by:
U.S. National Library of Medicine
Text and Data Mining valid from 2016-07-15
Version of Record valid from 2016-07-15
Article History
Received: 19 October 2015
Accepted: 8 June 2016
First Online: 15 July 2016