|
|||||
|
|
Phylogenetic analysis of nucleoproteins suggests that human influenza A viruses emerged from a 19th-century avian ancestor |
|
| Authors: | M Gammelin A Altmüller U Reinhardt J Mandler V R Harley P J Hudson W M Fitch C Scholtissek |
| Affiliation: | Institut für Virologie, Justus-Liebig-Universit?t Giessen, West Germany. |
| Abstract: | |
| Keywords: | |