title: Isolation of ortho- and paramyxoviruses from feral birds in Hokkaido, Japan--1980 and 1981.
mesh_terms: D000818:Animals; D001717:Birds / Q000382:microbiology*; D007564:Japan; D009975:Orthomyxoviridae / Q000302:isolation & purification*; D010252:Paramyxoviridae / Q000302:isolation & purification*