title: [ENDEMIC NEPHRITIS IN BULGARIA AND SANITARY-EPIDEMIOLOGIC STUDY OF ITS ETIOLOGY].
mesh_terms: D002031:Bulgaria; D016021:Epidemiologic Studies; D004813:Epidemiology; D009393:Nephritis; D014116:Toxicology; D014131:Trace Elements; D014881:Water Supply
chemical_list: D014131:Trace Elements
keywords: BULGARIA; EPIDEMIOLOGY; NEPHRITIS; TOXICOLOGIC REPORT; TRACE ELEMENTS; WATER SUPPLY
vernacular_title: ENDEMICHESKI I NEFRIT V BOLGARII I SANITARNO-'EPIDEMILOGICHESKOE IZUCHENIE EGO ETIOLOGII.