About: http://webisa.webdatacommons.org/438518327

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	Dyspnea is the most prominent symptom associated with emphysema-related COPD. Hypoxia is less marked than in the bronchitic form of COPD, and hypercarbia is relatively uncommon until very late in the disease course.
http://www.w3.org/ns/prov#wasQuotedFrom	aafp.org