Article PDF  (0.03 Mb) 
   Compatible only with Adobe Acrobat Reader  (read more) 
 Influenza
P. 269-271
-  Articles from the same issue (available individually)
-  InformationDOI: 10.1400/204660 ISSN: 1973-9370 
 
  
 P. 269-271
DOI: 10.1400/204660
ISSN: 1973-9370
