[Physical environmental factors as a hygienic problem].
D055592:Biophysical Phenomena; D001703:Biophysics; D004782:Environmental Health; D004787:Environmental Pollution; D006283:Health Physics; D055585:Physical Phenomena; D010825:Physics; D012106:Research; D014586:USSR
Fizicheskie faktory okruzhaiushcheî sredy kak gigienicheskaia problema.