Sex ratio in hyperphenylalaninemia of newborn infants.
D002140:California; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D010649:Phenylalanine / Q000097:blood*; D010661:Phenylketonurias / Q000453:epidemiology; D012744:Sex Ratio
D010649:Phenylalanine