Richards, D A <br/><br/>
Wright peak flow meter.  [electronic resource] 

 -  The New Zealand medical journal  Jul 1983 
 - 585-6 p.  digital 
<br/><br/> Publication Type: Letter 
<br/><br/><label>ISSN: </label>0028-8446 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Equipment Failure<br/>Forced Expiratory Flow Rates--instrumentation<br/>Humans<br/>Peak Expiratory Flow Rate--instrumentation