1. Interaction of physiological mechanisms during exercise.;Wasserman;J Appl Physiol,1967
2. Directly and indirectly measured respiratory parameters compared with oxygen and heart rate.;Alt;PACE,1985
3. Control of pacemaker rate by impedance-based respiratory minute ventilation.;Alt;Chest,1987
4. A comparative evaluation between minute ventilation and respiratory rate as indicators of activity for rate responsive pacing.;Pioger;PACE,1987
5. Measuring minute ventilation with a pacing catheter.;Nappholz;PACE,1985