effect of amino acid administration on pancreatic secretion of digestive enzymes , amylase , trypsinogen and chymotrypsinogen was studied after wing vein injection of an amino acid ( aas ) mixture ( thr , lys , phe , leu , ile , glu , val , his , and met ) or combinations of selected amino acids , i.e .
C0061472
glu
C0002520
amino acids