The behavior of slender and stout forms of Trypanosoma cruzi in the blood-stream of normal and immune mice.
D000818:Animals; D000917:Antibody Formation; D014355:Chagas Disease / Q000382:microbiology; D002908:Chronic Disease; D007109:Immunity; D007275:Injections, Intravenous; D051379:Mice; D013045:Species Specificity; D013997:Time Factors; D014345:Trypanosoma / Q000166:cytology*