Antiphospholipid immunoglobulin G antibodies reduce annexin-V levels on syncytiotrophoblast apical membranes and in culture media of placental villi - Rand,J.H.; Wu,X.X.; Guller,S.; Scher,J.; Andree,H.A.; Lockwood,C.J. (Am J Obstet Gynecol, 1997)