title: Persistent ectopic pregnancy: an argument for heightened vigilance and patient compliance.
authors.forename: D B
authors.initials: DB
authors.lastname: Seifer
mesh_terms: D006063:Chorionic Gonadotropin / Q000097:blood; D005260:Female; D006801:Humans; D010349:Patient Compliance; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000209:etiology*; D012307:Risk Factors
chemical_list: D006063:Chorionic Gonadotropin