title: Emergency contraception and ectopic pregnancy: report of 2 cases.
authors.forename: Pedro Paulo
authors.initials: PP
authors.lastname: Pereira
authors.forename: Fábio Roberto
authors.initials: FR
authors.lastname: Cabar
authors.forename: Luciana Cristina Pasquini
authors.initials: LC
authors.lastname: Raiza
authors.forename: Maria Teresa
authors.initials: MT
authors.lastname: Roncaglia
authors.forename: Marcelo
authors.initials: M
authors.lastname: Zugaib
mesh_terms: D000328:Adult; D018997:Chorionic Gonadotropin, beta Subunit, Human / Q000097:blood / Q000652:urine; D044363:Contraception, Postcoital / Q000009:adverse effects*; D003280:Contraceptives, Oral, Synthetic / Q000008:administration & dosage / Q000009:adverse effects; D005260:Female; D006801:Humans; D016912:Levonorgestrel / Q000008:administration & dosage / Q000009:adverse effects; D011247:Pregnancy; D011274:Pregnancy, Tubal / Q000139:chemically induced* / Q000175:diagnosis
chemical_list: D018997:Chorionic Gonadotropin, beta Subunit, Human; D003280:Contraceptives, Oral, Synthetic; D016912:Levonorgestrel