[Changing values of ventilation in miners during a 5-year period].
D000367:Age Factors; D000368:Aged; D001991:Bronchitis / Q000453:epidemiology*; D003032:Coal Mining; D006801:Humans; D006814:Hungary; D008875:Middle Aged; D009784:Occupational Diseases / Q000453:epidemiology*; D012129:Respiratory Function Tests; D012829:Silicosis / Q000453:epidemiology; D013997:Time Factors
Bányászok egyes ventilatios ertekeinek valtozása 5 ev alatt.