SIMULTANEOUS QUANTITATION AND VALIDATION OF PARACETAMOL, PHENYLPROPANOLAMINE HYDROCHLORIDE AND CETIRIZINE HYDROCHLORIDE BY RP-HPLC IN BULK DRUG AND FORMULATION. International Journal of Pharmaceutical Sciences and Drug Research, [S. l.], v. 3, n. 4, p. 303–308, 2018. DOI: 10.25004/IJPSDR.2011.030406. Disponível em: https://ijpsdronline.com/index.php/journal/article/view/470.. Acesso em: 25 sep. 2025.