Keskise, Y. et al. 2026. Determination of selected heavy metals in leaves of the medicinal plants Calpurnia aurea and Zehneria scabra from East Gojjam, Ethiopia, and their health risk assessment. European Journal of Chemistry. 17, 2 (Jun. 2026), 146–154. DOI:https://doi.org/10.5155/eurjchem.17.2.146-154.2763.