About: http://webisa.webdatacommons.org/172463163

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	Emphysema is a disease of the lung tissue caused by destruction of structures feeding the alveoli, in some cases owing to the action of alpha 1-antitrypsin deficiency.
http://www.w3.org/ns/prov#wasQuotedFrom	medicalmarijuana.com