Prenatal sonography of autosomal trisomies.

Ultrasound Obstet Gynecol

Department of Obstetrics & Gynecology, Brigham & Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA.

Published: January 1991

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http://dx.doi.org/10.1046/j.1469-0705.1991.01010066.xDOI Listing

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