Bigg, R L Ruptured interstitial pregnancy causing massive rectal bleeding. [electronic resource] - Archives of surgery (Chicago, Ill. : 1960) Dec 1965 - 1021-2 p. digital Publication Type: Case Reports; Journal Article ISSN: 0004-0010 Standard No.: 10.1001/archsurg.1965.01320180155032 doi Subjects--Topical Terms: AdultFemaleGastrointestinal Hemorrhage--etiologyHumansPregnancyPregnancy, Tubal--complicationsRupture, Spontaneous