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4. [Practicability of a quick helium-mixing procedure for estimation of residual volume by measurement of density (author's transl)]. Petro W, Gahlen G, Korn V, Smidt U, Nakhosteen JA, Konietzko N. Prax Klin Pneumol; 1980 Sep; 34(9):541-7. PubMed ID: 7454664 [No Abstract] [Full Text] [Related]
6. [Studies on measurement of residual volume by using a single breath nitrogen method]. Sugita M, Kitada O, Nobuta M, Miyauchi M, Matsuoka A. Rinsho Byori; 1982 May; 30(5):563-7. PubMed ID: 7131825 [No Abstract] [Full Text] [Related]
12. [Study of the correlation between the maximum curvature of the diaphragm measured on the lateral chest radiograph and the ratio residual volume/total lung capacity (author's transl)]. Fitting JW. Schweiz Rundsch Med Prax; 1978 Jan 10; 67(2):61-6. PubMed ID: 619353 [No Abstract] [Full Text] [Related]