Viral respiratory diseases :  report of a WHO Scientific Group. 

 - Geneva :  World Health Organization,  1980. 
 - 63 p. 
 - World Health Organization technical report series ;  no. 642  .
 - Technical report series (World Health Organization) ;  no. 642. .
<br/><br/><label>ISBN: </label>924120642X (paper) 
<br/><br/><label>LCCN: </label>90023166     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chest--Diseases.<br/>Respiratory organs--Diseases.<br/>Respiratory organs--Diseases--Nursing