1. Swan HJC. 1975. The role of hemodynamic monitoring in the management of the critically ill. Crit Care Med 3, 83–89.
2. Afifi AA, Chang PC, Liu VY, daLuz PL, Weil MH, Shubin H. 1974. Prognostic indexes in acute myocardial infarction complicated by shock. Amer J Card 33, 826–832.
3. Martin RW, Watkins DW. 1980 An Ultrasonic Catheter for Intravascular Measurement of Blood Flow: Technical Details. IEEE, Transactions on Sonics and Ultrasonics, Vol. SU-27, No. 6, pp 277–286.
4. Martin RW. 1981. High speed solution of 2nd order curves with special application to planar sections of blood vessels Comput Programs Biomed 13, 45–60.
5. Martin RW, Pollack GH, Phillips GB. 1977. Stroke volume measurement with an ultrasonic catheter tip system. In: Ultrasound in Medicine, Vol. 3A, Ed. by White D and Brown RE Plenum, pp 23–37.