A genetical study of Hirschsprung's disease; congenital intestinal aganglionosis.
D001741:Black or African American; D044383:Black People; D004314:Down Syndrome / Q000150:complications; D005260:Female; D006801:Humans; D008297:Male; D008531:Megacolon / Q000150:complications* / Q000235:genetics*; D013019:South Africa; D044465:White People