S. AL-TTAEE, Muthanna; Y. SAOUR, Kawkab; J. QASIR, Ahlam. Synthesis of New Opioid Analgesic Peptide Analogues to Enkephalin (Leucine- and Methionine-Enkephalin). Iraqi Journal of Pharmaceutical Sciences, Baghdad, Iraq, v. 17, n. 1, p. 39–46, 2017. DOI: 10.31351/vol17iss1pp39-46. Disponível em: https://bijps.uobaghdad.edu.iq/index.php/bijps/article/view/577.. Acesso em: 5 nov. 2024.