About: http://webisa.webdatacommons.org/239755526

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	Still further examples of the prior art are directed at methods and devices for securing a tracheotomy tube to prevent its inadvertent removal from the stoma formed in the patient's trachea.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es