About: http://webisa.webdatacommons.org/188674546

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	Nonetheless, what this says is that low back pain is a real problem in this country and others, said Richard Simpson Jr., MD, PhD, a neurosurgeon at Houston Methodist Hospital.
http://www.w3.org/ns/prov#wasQuotedFrom	medpagetoday.com