PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • a change in colour of the skin, nails, teeth, mucous membrane of the mouth, bones, thyroid, eyes, secretions including breast milk, tears or sweat (hyperpigmentation).
http://www.w3.org/ns/prov#wasQuotedFrom
  • medicines.org.uk