Wilson, D A Antepartum ultrasonographic diagnosis of ischiopagus: a rare variety of conjoined twins. [electronic resource] - Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine Jun 1983 - 281-2 p. digital Publication Type: Case Reports; Journal Article ISSN: 0278-4297 Standard No.: 10.7863/jum.1983.2.6.281 doi Subjects--Topical Terms: FemaleHumansInfant, NewbornPregnancyTwins, ConjoinedUltrasonography