Assertion: fibrosis's doctor | /r/CapableOf | prescribe oxygen
Facets:
value: to be used through a facemask
type: PURPOSE
value: often
type: TEMPORAL
Source sentences:
text: Doctors also often prescribe oxygen to be used through a nasal cannula or a facemask during exertion and sleep for those with PF.
text: Doctors also often prescribe oxygen to be used through a nasal cannula or a facemask during exertion and sleep for those with PF.