Knudson, R J <br/><br/>
Maximal mid-expiratory flow (FEF25-75%): normal limits and assessment of sensitivity.  [electronic resource] 

 -  The American review of respiratory disease  Mar 1978 
 - 609-10 p.  digital 
<br/><br/> Publication Type: Letter 
<br/><br/><label>ISSN: </label>0003-0805 
<br/><br/><label>Standard No.: </label>10.1164/arrd.1978.117.3.609  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Child<br/>Female<br/>Forced Expiratory Flow Rates<br/>Humans<br/>Male<br/>Maximal Midexpiratory Flow Rate<br/>Reference Values<br/>Smoking--physiopathology