About: http://webisa.webdatacommons.org/251145580

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	Although there is wide variability, the most consistent signs and symptoms are a craving for tobacco, irritability, anxiety, restlessness, and difficulty in concentrating.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com