RT Journal Article SR Electronic T1 US legislators propose crackdown on toxic cosmetics JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E1169 OP E1170 DO 10.1503/cmaj.109-4019 VO 183 IS 16 A1 Lauren Vogel YR 2011 UL http://www.cmaj.ca/content/183/16/E1169.abstract