TY - JOUR T1 - Chemical-by-chemical bans leave people at risk JF - Canadian Medical Association Journal JO - CMAJ SP - 556 LP - 556 DO - 10.1503/cmaj.091538 VL - 181 IS - 8 AU - Rick Smith Y1 - 2009/10/13 UR - http://www.cmaj.ca/content/181/8/556.abstract ER -