About: http://webisa.webdatacommons.org/288599464

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	COPD is a major health problem worldwide, and both morbidity and mortality are rising.1Characteristic of the clinical course of COPD are acute episodes of deterioration in symptoms and respiratory function called exacerbations.
http://www.w3.org/ns/prov#wasQuotedFrom	chestnet.org