title: False-negative laparoscopy: a pitfall in the diagnosis of early ectopic pregnancy.
authors.affiliation: Royal Oldham Hospital.
authors.forename: L C
authors.initials: LC
authors.lastname: Edozien
authors.forename: T
authors.initials: T
authors.lastname: Pandiarajan
authors.forename: S W
authors.initials: SW
authors.lastname: Ali
mesh_terms: D000328:Adult; D006063:Chorionic Gonadotropin / Q000097:blood; D005188:False Negative Reactions; D005260:Female; D006801:Humans; D010535:Laparoscopy; D011247:Pregnancy; D011274:Pregnancy, Tubal / Q000097:blood / Q000175:diagnosis*
chemical_list: D006063:Chorionic Gonadotropin