Selenium in human and animal nutritions:resolved and unresolved issues

A partly historical treatise in commemoration of the fiftieth anniversary of the discovery of the biological essentiality of selenium, dedicated to the memory of Klaus Schwarz (1914-1978) on the occasion of the thirtieth anniversary of his death. Gerhard N Schrauzer, Peter F Surai. Crit Rev Biotechnol. 2009;29(1):2-9