Studies on Newcastle disease virus; behavior of the virus in the embryo.
D000818:Animals; D002645:Chickens; D009521:Newcastle Disease / Q000821:virology*; D009522:Newcastle disease virus; D009975:Orthomyxoviridae; D010679:Philippines; D014779:Virus Replication; D014780:Viruses
PHILIPPINE FOWL DISEASE/virus