About: http://webisa.webdatacommons.org/233583592

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	The cardiac massage means are preferably in the form of an inflated bellows or spring, e.g. a compression spring or a coil spring.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com