PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Has a condition which requires postoperative medications that interfere with fusion, such as steroids or prolonged non-steroidal anti-inflammatory drugs excluding routine perioperative anti-inflammatory drugs.
http://www.w3.org/ns/prov#wasQuotedFrom
  • clinicaltrials.gov