The amino acid requirements of man.  XIII.  The sparing effect of cystine on the methionine requirement.
D003553:Cystine / Q000494:pharmacology*; D006801:Humans; D008297:Male; D008715:Methionine / Q000378:metabolism*
D003553:Cystine; D008715:Methionine
CYSTINE/effects; METHIONINE/metabolism