The Natural history of chronic bronchitis and emphysema :  an eight-year study of early chronic obstructive lung disease in working men in London / 
Charles Fletcher ... [et al.]. 
 - Oxford ;  New York :  Oxford University Press,  1976. 
 - xix, 272 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. [258]-268. 
<br/><br/><label>ISBN: </label>0192611194 :  $19.50 (U.S.) 
<br/><br/><label>LCCN: </label>77360492  
<br/><br/><label>Nat. Bib. No.: </label>GB*** 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bronchitis--Epidemiology.--England--London<br/>Emphysema, Pulmonary--Epidemiology.--England--London<br/>Pulmonary function tests.
<br/><br/><label>LC Class. No.: </label>RC778  / .N37 
<br/><br/><label>Dewey Class. No.: </label>616.2/3