About: http://webisa.webdatacommons.org/157829577

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	Patient controlled analgesia (PCA) is a pain control system that allows patients to manage their own pain rather than wait for a nurse or other healthcare professional to give more medication.
http://www.w3.org/ns/prov#wasQuotedFrom	ceufast.com