XIII List of contributors A. Experimental studies A simple mathematical model of High Frequency Ventilation. 1 A. Versprille. Development and clinical application of High Frequency Ventilation. 12 U.H. Sjostrand- L. Bunegin, R.B. Smith, ~i.F. Babinski. Convective diffusion in oscillatory flow as a gas transport 39 mechanism during High Frequency Ventilation. H.J. van Ouwerkerk, P. Gieles, J.M. Bogaard. Pressure flow pattern and gas transport using various types of 51 High Frequency Ventilation. M. Baum, H. Benzer, W. Goldschmied, N. Mutz. A review of experimental and theoretical studies of High Frequency 59 Ventilation. A.S. Slutsky, R.D. Kamm, J.M. Drazen. Effects of High Frequency Jet Ventilation design and operational 71 variables upon arterial blood gas tensions. J.M. Calkins, C.K. Waterson, S.F. Quan, H.W. Militzer, Th.J. Conahan, C.W. Otto, S.R. Hameroff. Airway pressure as a determining factor for ventilation and 81 haemodynamic efficiency during HFJV. M. Jimenez Lendinez, J.A. Cambronero, J. Lopez, B. Galvan, A. Garcia, R. Denia, A. Aguado. B. Experimental studies and mechanics High Frequency Ventilation: an experimental comparison of HFPPV 87 and HFJV. U.H. Sjostrand, M.F. Babinski, U.R. Borg, R.B. Smith. VI 92 Alveolar pressures during High Frequency Ventilation. P.R. Fletcher. Carbon dioxide clearance during High Frequency Jet Ventilation 93 (HFJV) . J.L. Bourgain, A.J. Mortimer, M.K. Sykes. 105 Hemodynamic effects of High Frequency Ventilation. F.R. Gioia, A.P. Harris, R.J. Traystman, M.C. Rogers.