FORMULATION AND OPTIMIZATION OF GUGGUL LIPID PHYTOSOMAL GEL OF THYMOQUINONE USING 22 FACTORIAL DESIGN. International Journal of Pharmaceutical Sciences and Drug Research, [S. l.], v. 13, n. 4, p. 371–378, 2021. DOI: 10.25004/IJPSDR.2021.130402. Disponível em: https://ijpsdronline.com/index.php/journal/article/view/2407.. Acesso em: 20 jul. 2025.