Elezaj, I., and D.A. Rozhaja. 1998. “Erythrocyte D -Aminolevulinic Acid Dehydratase (Ala-D) Activity and Blood Lead Level (Pb-B) of Tortoise (Testudo Hemanni, Gmel.) of Vicinity of Lead and Zinc Smelter ‘Trepca’ in Kosova”. Bosnian Journal of Basic Medical Sciences 1 (1), 24-25. https://doi.org/10.17305/bjbms.1998.3609.