PATEL PARESH U; PATEL HARSH B. DEVELOPMENT AND VALIDATION OF VISIBLE SPECTROPHOTOMETRIC METHOD FOR ESTIMATION OF PHENYLEPHRINE HYDROCHLORIDE IN PHARMACEUTICAL DOSAGE FORM. International Journal of Pharmaceutics and Drug Analysis, [S. l.], v. 2, n. 2, p. 131-137, 2014. Disponível em: https://ijpda.org/index.php/journal/article/view/24. Acesso em: 17 apr. 2026.