About: http://webisa.webdatacommons.org/74994557

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 studies were concerned mainly with morbidity and mortality from respiratory diseases, occurrence of respiratory symptoms, pulmonary function, and physician office visits.
http://www.w3.org/ns/prov#wasQuotedFrom	pubmedcentralcanada.ca