PHARMACOGNOSTIC STANDARDIZATION OF PULSATILLA NIGRICANS STOERCK. International Journal of Pharmaceutical Sciences and Drug Research, [S. l.], v. 3, n. 2, p. 158–161, 2011. DOI: 10.25004/IJPSDR.2011.030218. Disponível em: https://ijpsdronline.com/index.php/journal/article/view/273.. Acesso em: 21 sep. 2025.