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Results 1 - 1 of 1 for GLYCINE OR ISOLEUCINE OR PHENYLALANINE OR THREONINE OR VALINE OR LYSINE OR SERINE OR ARGININE OR GLUTAMIC ACID OR "N-ACETYLTYROSINE" OR ALANINE OR LEUCINE OR PROLINE OR TRYPTOPHAN OR ASPARTIC ACID OR METHIONINE OR HISTIDINE
  1. ... The test is performed by administering the amino acid arginine in a vein to raise hGH levels. The ...