RT Journal Article SR Electronic T1 Vaccination against human papillomavirus JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1524 OP 1525 DO 10.1503/cmaj.1070120 VO 177 IS 12 A1 Franco, Eduardo L. A1 de Pokomandy, Alexandra A1 Spence, Andrea R. A1 Burchell, Ann N. A1 Trottier, Helen A1 Mayrand, Marie-Hélène A1 Lau, Susie YR 2007 UL http://www.cmaj.ca/content/177/12/1524.2.abstract