Kulwa, G. S. . and Mihale, M. J. . (2020) “Levels and Exposure Risks of Lead, Arsenic and Mercury from Selected Lipstick and Nail Polish Cosmetics Marketed in Dar es Salaam, Tanzania”, Tanzania Journal of Science, 46(3), pp. 779–790. doi: 10.4314/tjs.v46i3.18.