TY - JOUR AU - Journal of Pregnancy, PY - 2013 DA - 2013/11/02 TI - Retracted: The Effects of Fetal Gender on Serum Human Chorionic Gonadotropin and Testosterone in Normotensive and Preeclamptic Pregnancies SP - 518591 VL - 2013 AB - SN -2090-2727 UR -https：//doi.org/10.1155/2013/518591 do -10.1155/2013/2013/518591 JF-怀孕杂志PB -Hindawi Publishing Corporation kw -er- er- er- er-