Methodology used in the pharmacological validation of the use of medicinal plants from the 17th to the 20th century in brazil. Rev Fitos [Internet]. 2025 Nov. 28 [cited 2026 Jul. 30];19(Suppl. 1):e1861. Available from: https://revistafitos.far.fiocruz.br/index.php/revista-fitos/article/view/1861