Allan, L D Chromosomal anomalies in fetal congenital heart disease. [electronic resource] - Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology Jan 1991 - 8-11 p. digital Publication Type: Journal Article ISSN: 0960-7692 Standard No.: 10.1046/j.1469-0705.1991.01010008.x doi