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Philip JYN, John S, Othman OC. Levels of heavy metals in selected facial cosmetics marketed in Dar es Salaam, Tanzania. Tanz. J. Sci. [Internet]. 2018 Jul. 31 [cited 2025 Jul. 26];44(2):81-8. Available from: http://www.tjs.udsm.ac.tz/index.php/tjs/article/view/246