[Results of soil examination in natural foci of swamp fever in the Lublin province].
D000818:Animals; D004859:Equine Infectious Anemia; D006736:Horses; D006801:Humans; D007922:Leptospirosis / Q000453:epidemiology*; D011044:Poland; D012987:Soil; D012988:Soil Microbiology
D012987:Soil
LEPTOSPIROSIS/epidemiology; SOIL/microbiology
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