FARAG, R. S.; EL NAWAWY, M. A.; FATHY, W. M.; ATIAA, H. Effect of oral injection of tramadol, sildenafil and combined of tramadol and sildenafil on serum testosterone level for Wistar breed male rats. INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY, [S. l.], v. 11, n. 9, p. 2959–2966, 2013. DOI: 10.24297/ijct.v11i9.3411. Disponível em: https://rajpub.com/index.php/ijct/article/view/3411. Acesso em: 1 may. 2024.