Assertion: chancroid's ulcer | /r/CreatedBy | h. ducreyi
Facets:
value: in these studies
type: LOCATION
Source sentences:
text: The natural history of successful response to therapy in chronic non-venereal ulcers caused by H. ducreyi is unknown.
text: During 1980–1999, the proportion of genital ulcers caused by H. ducreyi in these studies ranged from 0.0% in Thailand and China to 68.9% in South Africa (Table 1).
text: First, reduction in the proportion of genital ulcers caused by H. ducreyi has been sustained for the past decade and a half.
text: The proportion of genital ulcers caused by H. ducreyi ranged in the earlier period from 0% in Thailand and China to 68.9% in South Africa.