1. Spirometic studies in normal subjects. I. Forced expirograms in subjects between 7 and 70 years of age;Berglund, E.; Birath, G.; Bjure, J.; Grimby, G.; Kjellmer, L.; Sandqvist, L.; S6derholm, B.;Acta Med.; ca Scandinavica,1963
2. The Veterans Administration-Army cooperative study of pulmonary function: II. The lung volume and its subdivisions in normal men;Boren, H.G.; Kory, R.C.; Syner, J.C.;A merican Journal of Medicine,1966
3. Respiratory function tests in normal adult Chinese in Singapore;Chuan, P.S.; Chia, M.;Singapore Medical Journal,1969
4. Measurement of gas volumes;Comroe, Jr., J.H.; Kraffert, N.H.,1950
5. Normal values for ventilatory function in Rhodesian Africans;Cookson, J.B.; Blake, G.T.W.; Faranisi, C.;British Journal of Diseases of the Chest,1976