Maas, D A Diagnosis and treatment of advanced extra-uterine pregnancy. [electronic resource] - South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde Nov 1975 - 2007-10 p. digital Publication Type: Journal Article ISSN: 0256-9574 Subjects--Topical Terms: AdultAmenorrhea--etiologyFemaleHumansLabor, InducedMiddle AgedOxytocinPalpationPlacenta--surgeryPregnancyPregnancy, Ectopic--complicationsPregnancy, ProlongedRadiographyTime Factors