Homocystinuria.
D000592:Amino Acid Metabolism, Inborn Errors / Q000473:pathology*; D002648:Child; D002675:Child, Preschool; D003555:Cystinuria / Q000473:pathology*; D006710:Homocysteine / Q000378:metabolism*; D006801:Humans; D007223:Infant; D008715:Methionine / Q000378:metabolism*
D006710:Homocysteine; D008715:Methionine