About: http://webisa.webdatacommons.org/176523158

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	Most backs with preexisting conditions require a moderately firm sleeping surface in order to heal properly from strains, and other injuries.
http://www.w3.org/ns/prov#wasQuotedFrom	sleepjunkie.org