title: High-resolution ultrasonography in the diagnosis of twin tubal ectopic pregnancies.
authors.affiliation: Department of Radiology, University of California Davis Medical Center, Sacramento 95817.
authors.forename: E O
authors.initials: EO
authors.lastname: Gerscovich
authors.forename: J P
authors.initials: JP
authors.lastname: McGahan
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D011247:Pregnancy; D011272:Pregnancy, Multiple; D011274:Pregnancy, Tubal / Q000000981:diagnostic imaging*; D014427:Twins; D016216:Ultrasonography, Prenatal / Q000379:methods*