Assertion: recurrent canker sore | /r/HasProperty | recurrent aphthous stomatitis
Facets:
value: medically
type: MANNER
Source sentences:
text: Medically referred to as recurrent aphthous stomatitis (RAS), chronic canker sores are open sores occurring under the tongue, on the gums, inside the mouth on the cheek area and sometimes at the back of the throat.