Sex ratio in phenylketonuria.
D001720:Birth Injuries / Q000150:complications; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D010649:Phenylalanine / Q000652:urine; D010661:Phenylketonurias / Q000453:epidemiology*; D012737:Sex Factors
D010649:Phenylalanine