RT Journal Article SR Electronic T1 US specialty societies urged to disclose industry ties JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E405 OP E406 DO 10.1503/cmaj.109-3253 VO 182 IS 9 A1 Lauren Vogel YR 2010 UL http://www.cmaj.ca/content/182/9/E405.abstract