About: http://webisa.webdatacommons.org/441098175

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	Further, there is a need in the prior art for a portable spirometric device having a reduced size to assure that a subject will not be discouraged by bulkiness of the device from carrying the device and using the spirometer as required.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr