Bozoklu, S Ruptured ectopic pregnancy with undetectable beta-hCG levels coexisting with acute appendicitis. [electronic resource] - Acta obstetricia et gynecologica Scandinavica Feb 1997 - 181-2 p. digital Publication Type: Case Reports; Journal Article ISSN: 0001-6349 Standard No.: 10.3109/00016349709050078 doi Subjects--Topical Terms: Abdomen, Acute--bloodAppendicitis--bloodChorionic Gonadotropin, beta Subunit, Human--bloodFemaleGangreneHumansPregnancyPregnancy, Tubal--bloodRupture, Spontaneous