Toxicity of Selenium Fed to Swine in the Form of Sodium Selenite. Reprinted from the Journal of Agricultural Research, Vol. 56, No. 11 (June 1, 1938).
Ephemera, Washington, D.C. U.S. Government Printing Office, 1938. Good with no dust jacket.
Ephemera, Washington, D.C. U.S. Government Printing Office, 1938. Good with no dust jacket.