Yanni, G <br/><br/>
Which blow is best? A study of peak flow meters.  [electronic resource] 

 -  Irish medical journal  Aug 1986 
 - 214-5 p.  digital 
<br/><br/> Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial 
<br/><br/><label>ISSN: </label>0332-3102 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Body Height<br/>Child<br/>Child, Preschool<br/>Female<br/>Forced Expiratory Flow Rates--instrumentation<br/>Humans<br/>Lung--physiology<br/>Male<br/>Peak Expiratory Flow Rate--instrumentation