title: Studies on a paramyxovirus isolated from Japanese sparrow-hawks (Accipiter virgatus gularis). I. Isolation and characterization of the virus.
mesh_terms: D000818:Animals; D001715:Bird Diseases / Q000382:microbiology; D001717:Birds / Q000382:microbiology*; D007564:Japan; D009521:Newcastle Disease / Q000382:microbiology; D009522:Newcastle disease virus / Q000302:isolation & purification; D010252:Paramyxoviridae / Q000302:isolation & purification*