About: http://webisa.webdatacommons.org/27670317

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	It remains unclear whether these changes are due to nicotine or other components of tobacco smoke and systemic or local effects of smoking.
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov