Some Ghanaian herbal blood tonics as sources of Iron and other trace elements(Cu, Zn, Mn, Cd, Pb). Journal of Science and Technology, [S. l.], v. 29, n. 1, 2016. DOI: 10.4314/just.v29i1.240. Disponível em: https://journal.knust.edu.gh/index.php/just/article/view/240. Acesso em: 11 jun. 2026.