Turetsky, D B Pseudogestational sac of ectopic pregnancy simulating intrauterine pregnancy with transvaginal sonography. [electronic resource] - Journal of clinical ultrasound : JCU Feb 1991 - 120-3 p. digital Publication Type: Journal Article ISSN: 0091-2751 Standard No.: 10.1002/jcu.1870190212 doi Subjects--Topical Terms: AdultFemaleHumansPregnancyPregnancy, Ectopic--diagnostic imagingUltrasonography, Prenatal--methods