RT Journal Article SR Electronic T1 Vaginal bleeding in the prepubertal child JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1289 OP 1290 DO 10.1503/cmaj.1040999 VO 172 IS 10 A1 Mia E. Lang A1 Azza Darwish A1 Ann Marie Long YR 2005 UL http://www.cmaj.ca/content/172/10/1289.abstract