Assertion: resistant tb | /r/HasProperty | less virulent
Facets:
value: in guinea pigs
type: LOCATION
Source sentences:
text: It has been known for many years that INH-resistant TB is less virulent in guinea pigs, and the epidemiological evidence is that MDR strains of TB do not dominate naturally.
text: It has been known of many years that INH-resistant TB is less virulent in guinea pigs, and the epidemiological evidence is that MDR strains of TB do not dominate naturally.