Ferrante, Antonio2006-12-282006-12-2819761976http://hdl.handle.net/2440/20051viii, 151 leaves : ill., tables, photos ; 30 cm.36619 bytesapplication/pdfenTrypansoma lewisi.Immunology.The mechanisms of immunity to Trypanosoma (Herpetosoma) lewisi infection in ratsThesis