About: http://webisa.webdatacommons.org/196562020

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	Indeed, a number of studies from different countries including studies from our group reported declines in RA incidence during the second half of the 20th century(2-8, 10).
http://www.w3.org/ns/prov#wasQuotedFrom	pubmedcentralcanada.ca