PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • L-tryptophan has been used in alternative medicine as an aid to treat sleep problems (insomnia), anxiety, depression, premenstrual syndrome, attention deficit disorder, and for smoking cessation and other conditions.
http://www.w3.org/ns/prov#wasQuotedFrom
  • drugs.com