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Lung function in childhood: 2. Thoracic gas volumes and helium functional residual capacity measurements in healthy childrenJ.J. Cogswell; D. Hull; A.D. Milner; A.P. Norman; B. Taylor · 1975
Lung function in childhood: I. The forced expiratory volumes in healthy children using a spirometer and reverse plethysmographJ.J. Cogswell; D. Hull; A.D. Milner; A.P. Norman; B. Taylor · 1975