the other six were given seven daily infusions containing 6-8 mmol each of the alpha-keto-analogues of valine , leucine , isoleucine , phenylalanine , and methionine ( as sodium salts ) plus 3-4 mmol each of the remaining essential amino acids ( lysine , threonine , tryptophan , and histidine ) .
C0025646
methionine
C0002525
essential amino