Method Development and Validation of a New Stability Indicating Reverse Phase Ultra-fast Liquid Chromatographic Method for the Determination of Gefitinib (Anticancer Agent) in the Presence of an Internal Standard. Asian Journal of Pharmaceutics (AJP), [S. l.], v. 15, n. 04, 2022. DOI: 10.22377/ajp.v15i04.4231. Disponível em: https://www.asiapharmaceutics.info/index.php/ajp/article/view/4231. Acesso em: 14 apr. 2026.