B Hina, GH Rizwani, S Naseem - Pakistan journal of …, 2011 - search.ebscohost.com
This study presents a picture of occurrence of heavy metals (Pb, Cd, Cu, Cr, Co, Fe, Ni, Zn)
in some selected valuable herbal drugs (G. glabra, O. bracteatum, V. odorata, F. vulgare, C …