[Study of the effectiveness of the (preventive) night sanatorium at the S. M. Kirov meat-processing plant in Leningrad].
D006801:Humans; D008462:Meat-Packing Industry; D009787:Occupational Medicine; D011315:Preventive Medicine; D012426:Russia
Izuchenie éffektivnosti raboty nochnogo sanatriia (profilaktoriia) Leningradskogo miasokombinata im. S. M. Kirova.