[HYGIENIC EVALUATION OF WATER FILTRATING DEVICES WITHOUT REAGENTS IN RURAL WATER SUPPLY].
D005374:Filtration; D006801:Humans; D007202:Indicators and Reagents; D012423:Rural Health; D012424:Rural Population; D014586:USSR; D014881:Water Supply
D007202:Indicators and Reagents
FILTRATION; RURAL HEALTH; USSR; WATER SUPPLY
GIGIENICHESKAIA OTSENKA BEZREAGENTNYKH VODOOCHISTNYKH USTANOVOK DLIA SEL'SKIKH VODOPROVODOV.