About: http://webisa.webdatacommons.org/165392007

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	Afterwards, free dental treatments, including extractions, scaling and fillings, were offered to the subjects every year according to their needs.
http://www.w3.org/ns/prov#wasQuotedFrom	quintpub.com