[Studies of natural foci of leptospirosis in certain region of the Stavropol'sk district].
D006801:Humans; D007922:Leptospirosis / Q000453:epidemiology*
LEPTOSPIROSIS/epidemiology
Izuchenie prirodnoi ochagovosti leptospirozov v nekotorykh raionakh stavropol'skogo kraia.