TY - JOUR T1 - Should HPV vaccination be gender neutral? JF - Canadian Medical Association Journal JO - CMAJ SP - E337 LP - E338 DO - 10.1503/cmaj.109-5066 VL - 187 IS - 11 AU - Martin Smith Y1 - 2015/08/11 UR - http://www.cmaj.ca/content/187/11/E337.abstract ER -