About: http://webisa.webdatacommons.org/231847284

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	Smoking is a major risk factor; it significantly increases risk for periodontitis and severity of the condition [5, 6].
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov