TY - JOUR T1 - Fetal sex determination: the predictive value of 3 common myths JF - Canadian Medical Association Journal JO - CMAJ SP - 1525 LP - 1526 VL - 161 IS - 12 AU - Sarah Ostler AU - Anna Sun Y1 - 1999/12/14 UR - http://www.cmaj.ca/content/161/12/1525.abstract ER -