About: http://webisa.webdatacommons.org/21515239

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	There are many examples of drug delivery systems which operate using gas pressure to deliver a liquid such as a nutritive liquid at a controlled rate.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com