title: Letter: Psittacosis and virulent Newcastle disease virus in a consignment of parrots.
mesh_terms: D000818:Animals; D001715:Bird Diseases; D006799:Housing, Animal; D009521:Newcastle Disease / Q000150:complications*; D011563:Psittaciformes; D009956:Psittacosis / Q000150:complications / Q000662:veterinary*