About: http://webisa.webdatacommons.org/163006592

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	factors such as age, gender, spinal needle size, spinal bevel design,
http://www.w3.org/ns/prov#wasQuotedFrom	thefreelibrary.com