title: [THE VALUE OF DOUGLAS PUNCTURE IN THE DIFFERENTIAL DIAGNOSIS OF EXTRAUTERINE PREGNANCY].
mesh_terms: D000028:Abortion, Induced; D000022:Abortion, Spontaneous; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D011247:Pregnancy; D011271:Pregnancy, Ectopic; D011677:Punctures
keywords: ABORTION; DIAGNOSIS, DIFFERENTIAL; PREGNANCY; PREGNANCY, ECTOPIC
vernacular_title: DER WERT DER DOUGLASPUNKTION BEI DER DIFFERENTIALDIAGNOSE DER EXTRAUTERINGRAVIDITAET.