RT Journal Article SR Electronic T1 Acquired primary hypothyroidism: vaginal bleeding in a quiet child JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 588 OP 590 DO 10.1503/cmaj.090883 VO 182 IS 6 A1 Anne Wormsbecker A1 Cheril Clarson YR 2010 UL http://www.cmaj.ca/content/182/6/588.abstract