About: http://webisa.webdatacommons.org/405934143

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	They found that the polyethylene-1 collar provided the most restriction of motion of the cervical spine, particularly with flexion.
http://www.w3.org/ns/prov#wasQuotedFrom	lww.com