1. Evans, D. &Boyes, A. W. Chronic Catheterization of Blood Vessels in the Dog. Canad. Anaesth. Soc. J.15: 135 (1968).
2. Cadwell, J. W. &Guyton, A. C. Further Evidence Favouring Cardiac Mechanism in Hemorrhage Shock. Am. J. Physiol.203: 248 (1962).
3. Weidner, M. G.;Roth, L.; &Simeone, F. A. Myocardial Response to Prolonged Acute Oligemic Hypotension. Surgery.50: 75 (1961).
4. Simeone, F. A.;Hugni, E. A.; &Weidner, M. G. The Effect of 1-Norepinephrine upon the Myocardial Oxygen Tension and Survival in Acute Hemorrhagic Shock. Surgery.44: 168 (1958).
5. Gregg, D. E. Hemodynamic Factors in Shock. “Shock” International Symposium. Springer Verlag (1962).