title: Study of serum ferritin in 58 children with classic phenylketonuria and persistent hyperphenylalaninaemia.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005260:Female; D005293:Ferritins / Q000097:blood*; D006801:Humans; D007223:Infant; D008297:Male; D010649:Phenylalanine / Q000097:blood*; D010661:Phenylketonurias / Q000097:blood*
chemical_list: D010649:Phenylalanine; D005293:Ferritins