[Hemagglutination by avian smallpox virus].
D000818:Animals; D001717:Birds; D006384:Hemagglutination; D006386:Hemagglutination Tests; D010223:Parainfluenza Virus 2, Human; D012899:Smallpox; D012901:Variola virus
HEMAGGLUTINATION; SMALLPOX
Hemagglutination et virus de la variole aviaire.