Assertion: cystic fibrosis | /r/RelatedTo | exposure
Facets:
value: to asbestos
type: OTHER
value: often
type: TEMPORAL
Source sentences:
text: Pleural fibrosis is often related to exposure to asbestos, as has been confirmed by pathologists who have carried out clinical examinations on lung tissue and which has demonstrated the presence of asbestos fibres and bodies within the tissue.