PRELIMINARY PHYTOCHEMICAL SCREENING AND HEAVY METAL ANALYSIS OF LEAF EXTRACTS OF ZIZIPHUS OENOPLIA (L) MILL. GARD. International Journal of Pharmaceutical Sciences and Drug Research, [S. l.], v. 5, n. 1, p. 38–40, 2013. DOI: 10.25004/IJPSDR.2013.050108. Disponível em: https://ijpsdronline.com/index.php/journal/article/view/238.. Acesso em: 15 oct. 2025.