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pro vyhledávání: '"David D.T. Hughes"'
Publikováno v:
Chest. 70:244-250
The characterisitcs and performance of the Vitalograph dry spirometer were studied, and a direct comparison was made with the Stead-Wells spirometer, as recommended by the Committees on Environmental Health and Respiratory Physiology of the American
Autor:
David D.T. Hughes, Terence T. Chapman
Publikováno v:
Diseases of the chest. 54(2)
The purpose of this study was to relate the forced expiratory volume (FEV 1 ) to other long function tests and to assess the factor of “reversibility.” Six hundred thirty-five patients with “chronic nonspecific long disease” were divided into