VALIDATION AND DEVELOPMENT FOR THE ESTIMATION OF PIRFENIDONE IN MARKETED FORMULATION BY RP-HPLC. International Journal of Food and Nutritional Sciences, [S. l.], v. 12, n. 7, p. 354–366, 2023. Disponível em: https://ijfans.org/index.php/Journal/article/view/2999. Acesso em: 17 jul. 2026.