mongolism,"['mongolianism', 'backwardness', 'birth defect', 'congenital abnormality', 'congenital anomaly', 'congenital defect', 'congenital disorder', 'down syndrome', ""down's syndrome"", 'mental retardation', 'retardation', 'slowness', 'subnormality', 'trisomy', 'trisomy 21']"