Mason, D G <br/><br/>
Defective anti-reflux valve.  [electronic resource] 

 -  Anaesthesia  Jun 1996 
 - 608 p.  digital 
<br/><br/> Publication Type: Letter 
<br/><br/><label>ISSN: </label>0003-2409 
<br/><br/><label>Standard No.: </label>10.1111/j.1365-2044.1996.tb12591.x  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Analgesia, Patient-Controlled--instrumentation<br/>Equipment Design<br/>Equipment Failure<br/>Humans