TY - JOUR T1 - Human papillomavirus, vaccines and women's health: questions and cautions JF - Canadian Medical Association Journal JO - CMAJ SP - 484 LP - 487 DO - 10.1503/cmaj.070944 VL - 177 IS - 5 AU - Abby Lippman, PhD AU - Ryan Melnychuk, PhD AU - Carolyn Shimmin, BJ AU - Madeline Boscoe, RN DU Y1 - 2007/08/28 UR - http://www.cmaj.ca/content/177/5/484.abstract ER -