REFERENCES
- Comroe, J. H. and others: The Lung. Chicago, The Year Book Publishers, Inc., 1955.
- Cournand, A.: Cardio-pulmonary function in chronic pulmonary disease. Harvey Lect., series 46, 1950–1951.
- Trotter, Wilfred: The Collected Papers of Wilfred Trotter, F.R.S. Oxford Medical Publications, 1941.