PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Mouth ulcers can be caused due to physical (injury or accidentally biting the inner cheek or tongue) or chemical (toothpastes or mouthwashes containing sodium lauryl sulfate) trauma; infection by microorganisms such as viruses, bacteria, fungi, or parasites; and underlying medical conditions including autoimmune disorders and cancer.
http://www.w3.org/ns/prov#wasQuotedFrom
  • healthizen.com