Contagious abortion of cattle
Eichhorn, Adolph, Potter, G.M.
Contagious abortion of cattle - Washington 1917 - 1-12 p. - Cattle United States Department of Agriculture. Farmers Bulletin No. 790 .
Contagious abortion of cattle - Washington 1917 - 1-12 p. - Cattle United States Department of Agriculture. Farmers Bulletin No. 790 .