RT Journal Article SR Electronic T1 New approach to approving natural health products inadequate, says British Columbia Medical Association JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 379 OP 379 DO 10.1503/cmaj.109-4413 VO 185 IS 5 A1 Adam Miller YR 2013 UL http://www.cmaj.ca/content/185/5/379.abstract