SYNTHESIS OF ESTRONE-OPIOID PEPTIDE ANALOGUE WITH EXPECTED ANALGESIC ACTIVITY. Al-Nahrain Journal of Science, [S. l.], v. 13, n. 2, p. 20–31, 2010. Disponível em: https://anjs.edu.iq/index.php/anjs/article/view/1090.. Acesso em: 2 may. 2024.