title: D-phenylalanine was not found to exhibit opiate receptor mediated analgesia in monkeys.
mesh_terms: D000700:Analgesics; D000818:Animals; D006801:Humans; D010146:Pain / Q000188:drug therapy; D010649:Phenylalanine / Q000494:pharmacology*
chemical_list: D000700:Analgesics; D010649:Phenylalanine