RT Journal Article SR Electronic T1 Are we keeping research participants safe enough? JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E428 OP E428 DO 10.1503/cmaj.100404 VO 182 IS 10 A1 Paul C. Hébert A1 Dean A. Fergusson YR 2010 UL http://www.cmaj.ca/content/182/10/E428.abstract