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3. “A Rapid Method of Determining Lung Capacity,”;McMichael;Clin. Sci.,1939
4. “Intrapulmonary Mixing of Helium in Normal and Emphysematous Subjects,”;Briscoe;Clin. Sci.,1951
5. “Pulmonary Insuffiency, Physiological Classification, Clinical Methods of Analysis, and Standard Values to Normal Subjects,”;Baldwin;Medicine,1948