The Natural history of chronic bronchitis and emphysema  an eight-year study of chronic obstructive lung disease in working men in London / 
edited by Charles Fletcher ... (et al.) 
 - Oxford :  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 
<br/><br/><label>LCCN: </label>77-360492 //r87 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bronchitis--England--London--Epidemiology.<br/>Emphysema, Pulmonary--England--London--Epidemiology.<br/>Pulmonary function tests.