R. AHMED, N.; N. LOTTFI, S. High Performance Liquid Chromatographic Method for Determination of Sildenafil Citrate (Viagra) in Pharmaceutical Formulation and Industrial Effluent Sample. Rafidain Journal of Science, [S. l.], v. 24, n. 9, p. 24–31, 2013. DOI: 10.33899/rjs.2013.78756. Disponível em: https://edusj.uomosul.edu.iq/index.php/rsci/article/view/47461. Acesso em: 10 sep. 2025.