[Health problems of the water supply to rural populated districts in the North Dagestan Lowland and measures for its rational use].
D012423:Rural Health; D012800:Siberia; D014881:Water Supply
Sanitarnye voprosy vodosnabzheniia sel'skikh naselennykh mest Severodagestanskoĭ nizmennosti i meropriiatiia po ikh ratsional'nomu ispol'zovaniiu.