title: Ectopic pregnancy--Part I: Clinical and laboratory diagnosis.
authors.affiliation: Department of Emergency Medicine, Orlando Regional Medical Center, FL 32806-2093, USA.
authors.forename: D F
authors.initials: DF
authors.lastname: Brennan
mesh_terms: D018997:Chorionic Gonadotropin, beta Subunit, Human / Q000032:analysis; D019411:Clinical Laboratory Techniques; D004635:Emergency Medicine; D005260:Female; D006728:Hormones / Q000032:analysis; D006801:Humans; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000175:diagnosis* / Q000209:etiology / Q000503:physiopathology; D012307:Risk Factors
chemical_list: D018997:Chorionic Gonadotropin, beta Subunit, Human; D006728:Hormones