About: http://webisa.webdatacommons.org/283739510

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	The study is published in the June issue of CHEST. COPD, a term used to describe chronic bronchitis and emphysema, is a serious airway disease characterized by gradual loss of lung function.
http://www.w3.org/ns/prov#wasQuotedFrom	about.com