Assertion: psoriasis's type | /r/HasProperty | rare
Facets:
Source sentences:
text: This type of psoriasis is rare, can occur in isolation without any other form of psoriasis, and may affect just the feet or just the hands.
text: This type of psoriasis is rare.
text: Generalized pustular psoriasis: This type of psoriasis is rare, but when it does occur it is usually an acute attack during pregnancy.