A search for simple combinations of F.E.V. (1 second) and F.V.C. independent of age and physique in coalminers.
D003032:Coal Mining; D006801:Humans; D011009:Pneumoconiosis / Q000175:diagnosis*; D012119:Respiration / Q000502:physiology*
COAL MINING; PNEUMOCONIOSIS/diagnosis; RESPIRATION/physiology