Recruiting patients to medical research: double blind randomised trial of “opt-in” versus “opt-out” strategies
BMJ, 2005-10, Vol.331 (7522), p.940-942 [Peer Reviewed Journal]2005 BMJ Publishing Group Ltd. ;Copyright 2005 BMJ Publishing Group Ltd ;2005 INIST-CNRS ;Copyright: 2005 (c) 2005 BMJ Publishing Group Ltd. ;Copyright © 2005, BMJ Publishing Group Ltd. 2005 ;ISSN: 0959-8138 ;ISSN: 0959-8146 ;EISSN: 1468-5833 ;EISSN: 1756-1833 ;DOI: 10.1136/bmj.38583.625613.AE ;PMID: 16157604 ;CODEN: BMJOAE
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