1. Multiple range and multiple F tests;Duncan;Biometrics,1955
2. Studies on the relationship between colon bacilli and the protozoan parasite, Eimeria tenella, of chickens. Unpublished Ph.D. Thesis.;Ott,1937
3. Influence of vitamin A deficiency upon intestinal permeability for bacteria;Seidman;Proc. Soc. Exptl. Biol. Med.,1932
4. Statistical Methods;Snedecor,1956
5. Studies in the pathology of avian coccidiosis;Stafseth;J. Am. Vet. Med. Assn.,1931