About: http://webisa.webdatacommons.org/87499321

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Background of Related Art [0005] Surgical procedures for fusing adjacent vertebrae together to treat back pain in patients with ruptured or degenerated intervertebral discs, spondylolisthesis or other pathologies are well known.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com