World Health Organization  <br/><br/>
Global surveillance,prevention and control of chronic respiratory diseases  a comprehensive approach 

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 - Geneva  W H O  2007 
 - 146 p.  28 cm. 
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<br/><br/>  Risk Factors, W H O, Respiratory Tract-Diseases, Pulomonary Disease,Chronic 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pulomonary Disease,Chronic<br/>Respiratory Tract-Diseases<br/>W H O<br/>Risk Factors
<br/><br/><label>Dewey Class. No.: </label>WF140  / WHO