[The annual changes of vibration hazards in the lumberjacks of state forests (author's transl)].
D000328:Adult; D000367:Age Factors; D004056:Differential Threshold; D006801:Humans; D007564:Japan; D008297:Male; D008875:Middle Aged; D009784:Occupational Diseases / Q000453:epidemiology / Q000503:physiopathology*; D011928:Raynaud Disease / Q000453:epidemiology / Q000503:physiopathology*; D012881:Skin Temperature; D013997:Time Factors; D014732:Vibration / Q000009:adverse effects*