Surveillance of acute viral respiratory infections in Europe:  report on a WHO symposium Madrid, 2-6 June 1980. 

 - Copenhagen:  Regional Office for Europe,  1981. 
 - 65 pages ;   22 cm. 
 - EURO reports and studies;  47 .
<br/><br/><label>ISBN: </label>9289012137 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Respiratory organs--Diseases--Europe.<br/>Virus diseases--Europe.<br/>Public health--Europe.