Assertion: ulcer's cause | /r/CapableOf | isolate causative mycobacterium
Facets:
Source sentences:
text: The cause of these slow-healing ulcers was identified 50 years later in 1948, when Peter MacCallum, Jean Tolhurst, Glen Buckle, and H. A. Sissons at Melbourne University described a series of cases from Bairnsdale, Victoria, isolated the causative mycobacterium, and showed it could cause ulcers in laboratory rats.