Gregg, I <br/><br/>
Differences between peak flow meters on prescription.  [electronic resource] 

 -  BMJ (Clinical research ed.)  Jun 1991 
 - 1600-1 p.  digital 
<br/><br/> Publication Type: Comment; Letter 
<br/><br/><label>ISSN: </label>0959-8138 
<br/><br/><label>Standard No.: </label>10.1136/bmj.302.6792.1600-c  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Forced Expiratory Flow Rates<br/>Humans<br/>Prescriptions<br/>Respiratory Function Tests--instrumentation<br/>Rheology