Simultaneous quantification of anti-viral drugs Nirmatrelvir and Ritonavir used for the treatment of Covid-19 by HPLC method in bulk and dosage forms. International Journal of Pharmaceutical Sciences and Drug Research, [S. l.], v. 16, n. 5, p. 825–834, 2024. DOI: 10.25004/IJPSDR.2024.160510. Disponível em: https://ijpsdronline.com/index.php/journal/article/view/9939.. Acesso em: 1 dec. 2025.