[ON THE DEGREE OF POLLUTION OF A LIMITED WATER-NETWORK AND ITS EVALUATION].
D004787:Environmental Pollution; D004813:Epidemiology; D004926:Escherichia coli; D011511:Proteus; D012383:Romania; D012722:Sewage; D014116:Toxicology; D014435:Typhoid Fever; D014436:Typhoid-Paratyphoid Vaccines; D014867:Water; D014871:Water Microbiology; D014876:Water Pollution; D014881:Water Supply
D012722:Sewage; D014436:Typhoid-Paratyphoid Vaccines; D014867:Water
EPIDEMIOLOGY; ESCHERICHIA COLI; PROTEUS; RUMANIA; SEWAGE; TOXICOLOGIC REPORT; TYPHOID; WATER MICROBIOLOGY; WATER POLLUTION; WATER SUPPLY
UBER DEN VERSCHMUTZUNGSGRAD EINES BEGRENZTEN GEWAESSERNETZES UND SEINE BEURTEILUNG.