[Aquatic and marsh birds--carriers of agents of infectious diseases. I. Ornithosis].
D000818:Animals; D001717:Birds; D002031:Bulgaria; D004197:Disease Reservoirs; D004199:Disease Vectors; D004372:Ducks; D005777:Geese; D009956:Psittacosis / Q000453:epidemiology*
Vodoplavaiushchie i bolotnye ptitsy--nositeli vozbuditeleĭ infektsionnykh zabolevaniĭ. I. Ornitoz.