Florey, C.du V <br/><br/>
Methods for cohort studies of chronic airflow limitation 

 - Copenhagen  WHO  1982 
 - vi, 134 P.   
 - O regional Publications, European Series No.1 .
<br/><br/><label>ISBN: </label>9289011033 
<br/><br/><label>Dewey Class. No.: </label>614.5920018  / F45