About: http://webisa.webdatacommons.org/355747613

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	???Severe exacerbations involve hospitalizations and deterioration of respiratory symptoms including breathlessness, increased sputum volume, change in sputum color and/or purulence.
http://www.w3.org/ns/prov#wasQuotedFrom	biospace.com