Assertion: psoriasis's doctor | /r/CapableOf | take a skin biopsy
Facets:
value: rarely
type: TEMPORAL
value: in some cases
type: TEMPORAL
Source sentences:
text: In some cases, the doctor will also take a skin biopsy so that they can rule out other conditions.
text: Rarely the doctor takes a skin biopsy to determine the exact type of psoriasis or to rule out other causes if the skin lesions are not typical.