title: Electron microscopic observations on sporulation of Tyzzer's organism, "Bacillus piliformis".
mesh_terms: D000818:Animals; D001407:Bacillus / Q000302:isolation & purification / Q000648:ultrastructure*; D005260:Female; D008107:Liver Diseases / Q000382:microbiology; D051379:Mice; D008813:Mice, Inbred ICR; D008854:Microscopy, Electron; D013171:Spores, Bacterial / Q000648:ultrastructure