title: On ultrastructure and motility of spirochetes.
mesh_terms: D000818:Animals; D002432:Cecum / Q000382:microbiology; D003106:Colon / Q000382:microbiology; D004403:Dysentery / Q000209:etiology / Q000662:veterinary*; D009068:Movement; D051381:Rats; D013552:Swine; D013553:Swine Diseases / Q000382:microbiology*; D014208:Treponema / Q000145:classification / Q000502:physiology / Q000648:ultrastructure*