title: Transmission and course of Tyzzer's disease in euthymic and thymus aplastic nude Han:RNU rats.
mesh_terms: D000818:Animals; D001407:Bacillus / Q000472:pathogenicity; D001424:Bacterial Infections / Q000473:pathology / Q000635:transmission*; D007421:Intestine, Small / Q000473:pathology; D008099:Liver / Q000473:pathology; D051379:Mice; D051381:Rats; D011922:Rats, Mutant Strains