About: http://webisa.webdatacommons.org/406744825

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	The treatment volume 32 may also include a portion of the intervertebral disc where blood vessels have invaded, such as the area of a tear in the annular wall of the disc. Such invading vasculature can cause back pain.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com