Assessing Chromium (Cr) Burden in Organ of Hacco and Isa Brown Adult Chicken Layers (Gallus spp.) from Water, Drugs and Chicken Feeds. Nigerian Journal of Pharmaceutical and Biomedical Research (NJPBR), [S. l.], v. 5, n. 1, p. 28–36, 2020. DOI: 10.55639/pzzvkr23. Disponível em: https://njpbr.com.ng/index.php/journals/article/view/13. Acesso em: 2 apr. 2026.