[Effect of breathing exercises (qigong) on 22 aged patients based on the pneumatogram and impedance pulmonary rheogram].
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D000368:Aged; D001945:Breathing Exercises; D005260:Female; D006801:Humans; D008297:Male; D010992:Plethysmography, Impedance; D011652:Pulmonary Circulation; D011656:Pulmonary Emphysema / Q000503:physiopathology / Q000628:therapy; D012119:Respiration