[CERTAIN PROBLEMS CONCERNING THE STUDY OF MORBIDITY WITH TEMPORARY ABSENTEEISM IN RELATION TO WORKING CONDITIONS].
D000041:Absenteeism; D001699:Biometry; D006801:Humans; D009017:Morbidity; D012106:Research; D013223:Statistics as Topic; D014586:USSR
ABSENTEEISM; MORBIDITY; STATISTICS; USSR
NEKOTORYE VOPROSY IZUCHENIIA ZABOLEVAEMOSTI S VREMENNO I NETRUDOSPOSOBNOST'IU V SVIAZI S USLOVIIAMI TRUDA.