Ventilatory capacity in miners. A five-year follow-up study.
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D001699:Biometry; D019069:Cell Respiration; D003032:Coal Mining; D005500:Follow-Up Studies; D006801:Humans; D009787:Occupational Medicine / Q000706:statistics & numerical data*; D012119:Respiration / Q000502:physiology*
COAL MINING; INDUSTRIAL MEDICINE/statistics; RESPIRATION/physiology