About: http://webisa.webdatacommons.org/91056508

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	Acute back pain is the most common type of back pain.Subacute back pain is pain that lasts up to 3 months.Chronic back pain can begin abruptly or gradually, linger, subside, then come back, but it lasts longer than 3 months.
http://www.w3.org/ns/prov#wasQuotedFrom	stlukes-stl.com