1. Controlling blood and meat spots;Card;Poultry Sci.,1944
2. Couch, J. F., C. F. Crewson, J. Naghski and M. J. Copley, 1946. The chemistry and therapeutic use of rutin. AIC-115 Bureau of Agr. and Industr. Res. Admin. U.S.D.A.
3. Blood and meat spots in chicken eggs;Jeffrey;Poultry Sci.,1945
4. Effect of season and heredity on the incidence of blood spots;Lerner;Poultry Sci.,1942
5. The incidence of blood spots in eggs and its relation to first year mortality;Lerner;Poultry Sci.,1946