PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • U-M and Veterans Affairs research adds to growing awareness of the immune system???s role in COPD, a serious, progressive lung disease that affects more than 12 million Americans with wheezing, shortness of breath, chest tightening and other symptoms.
http://www.w3.org/ns/prov#wasQuotedFrom
  • umich.edu