PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Since sulphur is an abundant element showing an overall homogenous distribution in liver (see Figure 4, left panel), we used this non-metal as an internal standard.
http://www.w3.org/ns/prov#wasQuotedFrom
  • plos.org