Effect of sildenafil citrate on prediabetic and diabetic albino rats treated with metformin. International Journal of Current Research in Physiology and Pharmacology, [S. l.], v. 5, n. 1, 2021. DOI: 10.31878/ijcrpp.2021.51.02. Disponível em: https://openmediq.info/index.php/ijcrpp/article/view/398. Acesso em: 3 feb. 2026.