About: http://webisa.webdatacommons.org/52358330

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	The only exemption is when nicotine is a natural substance found in a natural product, such as tobacco leaves and tobacco products made from these leaves.
http://www.w3.org/ns/prov#wasQuotedFrom	journalpioneer.com