Respiratory viruses :  report. 

 - Geneva :  World Health Organization,  1969. 
 - 100p.:  ill. ;  24cm. 
 - World Health Organization Technical Report Series ;  no.408 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Viruses.<br/>Respiratory organs--Microbiology.<br/>Influenza.
<br/><br/><label>Dewey Class. No.: </label>616.9