RT Journal Article SR Electronic T1 Rethink weight limits on morning-after pill JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 719 OP 720 DO 10.1503/cmaj.109-5098 VO 187 IS 10 A1 Lauren Vogel YR 2015 UL http://www.cmaj.ca/content/187/10/719.abstract