Phytochemical Screening, In-vitro Anti-oxidant Activity and Gas Chromatography–Mass spectrometry Analysis of Methanolic Extracts of Smilax perfoliata and Breynia retusa. International Journal of Pharmaceutical Sciences and Drug Research, [S. l.], v. 14, n. 6, p. 799–810, 2022. DOI: 10.25004/IJPSDR.2022.140618. Disponível em: https://ijpsdronline.com/index.php/journal/article/view/5931.. Acesso em: 16 oct. 2025.