RT Journal Article SR Electronic T1 Europe proposes laxer regulation of clinical trials JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E829 OP E830 DO 10.1503/cmaj.109-4302 VO 184 IS 16 A1 Tiago Villanueva Gutierrez Arruda Marques YR 2012 UL http://www.cmaj.ca/content/184/16/E829.abstract