1. Acquired sterile immunity in experimental protozoal infections;Corradetti,1963
2. Immunodiffusion;Crowle,1961
3. Studies on age resistance against trypanosome infections: III. Vaccination of rats against Trypanosoma lewisi with special reference to the response of different age groups;Culbertson;American Journal of Hygiene,1939
4. Nonpathogenic trypanosomes of rodents;D'Alesandro,1970
5. The relation of agglutinins to antigenic variation of Trypanosoma lewisi;D'Alesandro;Journal of Protozoology,1976