4-Norleucine , 7D-phenylalanine-a-melanocyte-stimulating hormone : A highly potent a-melanotropin with ultralong biological activity ( amino acid racemization / peptide degradation / adenylate cyclase / tyrosinase / melanoma )

@inproceedings{Sawyer4Norleucine7,
  title={4-Norleucine , 7D-phenylalanine-a-melanocyte-stimulating hormone : A highly potent a-melanotropin with ultralong biological activity ( amino acid racemization / peptide degradation / adenylate cyclase / tyrosinase / melanoma )},
  author={Tomi K. Sawyer and Pauline J Sanfilippo and Victor J. Hruby and MICHAEL H. ENGELt and C B Heward and Jean B. Burnett and Mac E. Hadley}
}