TY - JOUR T1 - Public health advocates push for safer sex in pornographic film industry JF - Canadian Medical Association Journal JO - CMAJ SP - E261 LP - E262 DO - 10.1503/cmaj.109-3770 VL - 183 IS - 5 AU - Lauren Vogel Y1 - 2011/03/22 UR - http://www.cmaj.ca/content/183/5/E261.abstract ER -