Assertion: lichen's form | /r/HasProperty | characterised by oral ulcers
Facets:
Source sentences:
text: The second most common form and the most advance form of oral lichen planus, is characterised by oral ulcers presenting with persistent, irregular areas of redness, ulcerations and erosions covered with a yellow slough.
text: The second most common form and the most advance form of oral lichen planus, is characterised by oral ulcers presenting with persistent, irregular areas of redness, ulcerations and erosions covered with a yellow slough.