Riley M, Boesewetter D, Kim A, Sirvent F. Effects of metals Cu, Fe, Ni, V, and Zn on rat lung epithelial cells. Toxicology. 2003;190:171-84 pubmed
..Interactions were observed for exposures containing multiple metals: Zn+V, Zn+Cu, Zn+Fe, and Zn+Ni. Zn appears to diminish the negative impact of V and Cu; has an additive effect with Ni, and has no substantial effect on Fe toxicity. ..
Riley M, Lucas P, Le Coq D, Juncker C, Boesewetter D, Collier J, et al. Lung cell fiber evanescent wave spectroscopic biosensing of inhalation health hazards. Biotechnol Bioeng. 2006;95:599-612 pubmed