Examining the association between blood manganese and lead levels in school children in four selected regions of South Africa Authors: R�llin H, Mathee A, Levin J, Theodorou P, Tassel H, Naik I. Source: Environmental Research. 2007;103(2):160-167. Babalwa Jekwa2019-03-24T22:47:04+02:00Mar 24th, 2007| Share This Page, Choose Your Platform! FacebookTwitterLinkedInWhatsappEmail