title: [Formation of natural foci of blood parasitic diseases in birds: ecological aspects].
authors.forename: A A
authors.initials: AA
authors.lastname: Podshivalov
mesh_terms: D000818:Animals; D001715:Bird Diseases / Q000097:blood / Q000453:epidemiology* / Q000469:parasitology; D001717:Birds / Q000097:blood / Q000469:parasitology*; D004197:Disease Reservoirs / Q000469:parasitology / Q000662:veterinary*; D017753:Ecosystem; D016787:Haemosporida / Q000302:isolation & purification*; D011156:Population Density; D011529:Protozoan Infections, Animal / Q000453:epidemiology*; D012426:Russia / Q000453:epidemiology