RT Journal Article SR Electronic T1 Fetal sex determination: the predictive value of 3 common myths JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1525 OP 1526 VO 161 IS 12 A1 Sarah Ostler A1 Anna Sun YR 1999 UL http://www.cmaj.ca/content/161/12/1525.abstract