About: http://webisa.webdatacommons.org/218242927

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	They were careful to control for other risk factors such as education, diabetes status, body mass index, smoking, frequency of brushing and flossing, and recent periodontal treatment or dental cleanings.
http://www.w3.org/ns/prov#wasQuotedFrom	periowaveblog.com