RT Journal Article SR Electronic T1 Adverse events reported for HPV vaccine JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1169 OP 1170 DO 10.1503/cmaj.071454 VO 177 IS 10 A1 Laura Eggertson YR 2007 UL http://www.cmaj.ca/content/177/10/1169.abstract