1. Järup, L. Hazards of heavy metal contamination. Br. Med. Bull. 68, 167–182 (2003).
2. Jarup, L., Berglund, M., Elinder, C. G., Nordberg, G. & Vahter, M. Health effects of cadmium exposure — a review of the literature and risk estimate. Scand. J. Work Environ. Health 24(Suppl 1), 1–52 (1998).
3. Siu, E. R., Mruk, D. D., Porto, C. S. & Cheng, C. Y. Cadmium-induced testicular injury. Toxicol. Appl. Pharmacol. 238, 440–449 (2009).
4. Nordberg, G. F., Onawa, K., Nordberg, M. & Friberg, L. T. Cadmium. in Handbook of Toxicology of Metals (eds Nordberg, G. F., Fowler, B. A, Nordberg, M. & Friberg, L.) 2nd Edn, 407–417 (Elsevier Publishers, Amsterdam, 2007).
5. Stigter, J. B., De Hean, H. P., Guirherit, R., Dekkers, C. R. & Daane, M. L. Determination of cadmium, zinc, copper, chromium and arsenic in crude oil cargoes. Environ. Pollut. 107, 451 (2002).