Asakawa, M <br/><br/>
[Features and countermeasures of respiratory diseases of aged persons].  [electronic resource] 

 -  [Hokkaido igaku zasshi] The Hokkaido journal of medical science  Mar 1990 
 - 138-41 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0367-6102 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aged<br/>Aged, 80 and over<br/>Aging<br/>Bronchitis--epidemiology<br/>Female<br/>Humans<br/>Japan--epidemiology<br/>Lung Neoplasms--epidemiology<br/>Male<br/>Middle Aged<br/>Pneumonia--epidemiology<br/>Tuberculosis, Pulmonary--epidemiology