Háber, J <br/><br/>
[The role of smoking and upper respiratory diseases in chronic bronchitis of coal miners of Pécs].  [electronic resource] 

 -  Orvosi hetilap  Jun 1971 
 - 1344-8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0030-6002 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bronchitis--epidemiology<br/>Chronic Disease<br/>Coal Mining<br/>Humans<br/>Hungary<br/>Male<br/>Respiratory Tract Diseases--epidemiology<br/>Smoking--complications