About: http://webisa.webdatacommons.org/274967288

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	Scientists are not sure what causes GAD, although they think that certain chemicals in the brain -- called neurotransmitters, including serotonin and norepinephrine -- may be involved.
http://www.w3.org/ns/prov#wasQuotedFrom	carolinashealthcare.org