Assertion: bursitis's cause | /r/HasProperty | traced to other lesion
Facets:
value: (but not always)
type: TEMPORAL
value: usually
type: TEMPORAL
Source sentences:
text: Another possible cause of inflammation of the bursa is infection, which can usually (but not always) be traced to a crack or other lesion in the skin which allowed for bacteria of the normal skin flora to invade deeper layers of tissue.