1. Bearse, G. E., and M. W. Miller, 1940. Unpublished data of Western Washington Experiment Station, Puyallup.
2. Blood spot incidence and the vitamin A level of the diet;Bearse;Poultry Sci.,1953
3. The effect of rutin and ascorbic acid and of alfalfa on blood and meat spots in hens' eggs;Carver;Poultry Sci.,1948
4. Observations on the incidence and characteristics of blood and meat spots in hens' eggs;Denton;Poultry Sci.,1947
5. Multiple range and multiple F tests;Duncan;Biometrics,1988