Spirographic research in "Senectus praecox".
D000328:Adult; D000375:Aging; D000747:Anemia, Hypochromic; D004417:Dyspnea / Q000209:etiology; D005260:Female; D006801:Humans; D008111:Liver Function Tests; D008875:Middle Aged; D012129:Respiratory Function Tests; D013147:Spirometry