TY - GEN AU - Itoh,Hiroshi AU - Ishihara,Akira AU - Koita,Hiroyuki AU - Hatakeyama,Kinta AU - Seguchi,Tomoko AU - Akiyama,Yutaka AU - Kataoka,Hiroaki TI - Ovarian pregnancy: report of four cases and review of the literature SN - 1320-5463 PY - 2004///0728 KW - Abdominal Pain KW - etiology KW - Adult KW - Chorionic Gonadotropin, beta Subunit, Human KW - blood KW - Female KW - Humans KW - Pregnancy KW - Pregnancy, Ectopic KW - Review Literature as Topic N1 - Publication Type: Case Reports; Journal Article UR - https://doi.org/10.1046/j.1440-1827.2003.01554.x ER -