[THE HYGIENIC EFFECTIVENESS OF MEASURES TAKEN TO SANITIZE A TOWN POND IN SVERDLOVSK].
D006801:Humans; D061005:Ponds; D014876:Water Pollution
WATER POLLUTION
GIGIENICHESKAIA EFFEKTIVNOST' MEROPRIIATII, PROVEDENNYKH PO OZDOROVLENIIU GORODSKOGO PRUDA V SVERDLOVSKE.