title: Return of the great pretender: ectopic pregnancy.
authors.forename: John
authors.initials: J
authors.lastname: Short
mesh_terms: D006063:Chorionic Gonadotropin / Q000097:blood*; D003951:Diagnostic Errors; D005260:Female; D006801:Humans; D009026:Mortality / Q000639:trends; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000175:diagnosis* / Q000401:mortality; D016216:Ultrasonography, Prenatal
chemical_list: D006063:Chorionic Gonadotropin