Assertion: syphilis | /r/Causes | ulcer
Facets:
value: after infection
type: TEMPORAL
value: at the site of infection
type: LOCATION
Source sentences:
text: The initial infection causes an ulcer at the site of infection.
text: Syphilis can initially cause sores or ulcers around the genital area, mouth, or throat 10—90 days (average 21 days) after infection.