Stability‑Indicating RP‑HPLC Method for Determination of Pirfenidone and force degradation in Pharmaceutical Formulations. International Journal of Food and Nutritional Sciences, [S. l.], v. 15, n. 1, p. 149–160, 2026. Disponível em: https://ijfans.org/index.php/Journal/article/view/1278. Acesso em: 9 sep. 2026.