| http://www.w3.org/ns/prov#value | - The member comprises a tubular body portion with a proximal end intended to open into the trachea and a distal end intended to open into the oesophagus; a one-way flap valve covering a through opening of the tubular body portion for allowing air to pass through the tubular body portion from the proximal end to the distal end but preventing air and other matter from passing from the distal end to t
|
