About: http://webisa.webdatacommons.org/86753100

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	We sought to experimental determine this by exposing human volunteers to combustion particles, a component of air pollution, and then challenge them with an allergen such as ragweed or oak tree pollen.
http://www.w3.org/ns/prov#wasQuotedFrom	clinicaltrials.gov