PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Each project experienced difficulties in getting started, including problems in creating a multidisciplinary team, insufficient sample size of patients, logistical problems in collecting medicines use data and difficulties in performing adequate data analysis.
http://www.w3.org/ns/prov#wasQuotedFrom
  • who.int