title: The acute abdomen.
authors: M J
authors: MJ
authors: Dickson
mesh_terms: D000006:Abdomen, Acute / Q000175:diagnosis / Q000209:etiology*; D018997:Chorionic Gonadotropin, beta Subunit, Human / Q000032:analysis; D005260:Female; D006801:Humans; D019095:Point-of-Care Systems; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000150:complications* / Q000175:diagnosis
chemical_list: D018997:Chorionic Gonadotropin, beta Subunit, Human