Sex ratio in phenylketonuria.
D001724:Birth Weight; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D008404:Massachusetts; D009518:New York; D010649:Phenylalanine / Q000378:metabolism; D010661:Phenylketonurias / Q000453:epidemiology*; D012737:Sex Factors
D010649:Phenylalanine