title: [A study on subjective symptoms based on total operating time of chain saw (authors transl)].
mesh_terms: D006801:Humans; D008297:Male; D009784:Occupational Diseases / Q000453:epidemiology / Q000503:physiopathology*; D011795:Surveys and Questionnaires; D013997:Time Factors; D014732:Vibration / Q000009:adverse effects*