ON AUTHOR’S REQUEST, This Article Has Been Withdraw. EVALUATION OF THE PRESENCE OF THE HEAVY METAL NICKEL IN SAMPLES OF TOBACCO SNUFF (NICOTIANA TABACUM) IN NIGERIA. International Journal of Pharmacy and Pharmaceutical Sciences, [S. l.], v. 7, n. 5, p. 233–236, 2015. Disponível em: https://www.journals.innovareacademics.in/index.php/ijpps/article/view/5302. Acesso em: 6 dec. 2025.