[Economic effectiveness of hygienic research in the area of protecting water resources].
D003362:Cost-Benefit Analysis; D006920:Hygiene; D012106:Research; D014586:USSR; D014876:Water Pollution / Q000191:economics* / Q000517:prevention & control; D014881:Water Supply
Ob ékonomicheskoĭ éffektivnosti gigienicheskikh issledovaniĭ v oblasti okhrany vodnykh resursov.