Perks, W H <br/><br/>
An evaluation of the vitalograph pulmonary monitor.  [electronic resource] 

 -  British journal of diseases of the chest  Apr 1981 
 - 161-4 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article 
<br/><br/><label>ISSN: </label>0007-0971 
<br/><br/><label>Standard No.: </label>10.1016/0007-0971(81)90048-6  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evaluation Studies as Topic<br/>Forced Expiratory Flow Rates--instrumentation<br/>Humans<br/>Peak Expiratory Flow Rate--instrumentation