title: Letter: In vitro delayed hypersensitivity in Chagas's disease (chronic and acute).
mesh_terms: D000906:Antibodies / Q000032:analysis; D002464:Cell Migration Inhibition; D014355:Chagas Disease / Q000276:immunology*; D006801:Humans; D006968:Hypersensitivity, Delayed / Q000469:parasitology*; D007158:Immunologic Techniques; D007962:Leukocytes / Q000032:analysis; D014349:Trypanosoma cruzi / Q000302:isolation & purification*
chemical_list: D000906:Antibodies