Abramson, D.I.: Circulation In The Extremities, Academic Press , 1967.
2.
Shepherd, J.T.: Physiology of the Circulation In Human Limbs In Health and Disease , W. B. Saunders, Co., 1963.
3.
Burch, G.E.: Digital Plethysmography: Introducing A Method For Recording Simultaneously The Time Course Of The Rate Of Blood Flow Into And Out Of The Finger Tip, Grune & Stratton, New York, 1954.
4.
Whitney, R.J. : The Measurement Of Volume Changes In Human Limbs, J. Physiology, 121: 1, 1953.
Hertzman, A.B. : Photoelectric Recording Of The Pulse And Of Other Oscillatory Movements With The Electrocardiograph, J. Laboratory ClinicalMedicine, 24: 409, 1939.
7.
Nyboer, J.: Electrical Impedance Plethysmography, Second Edition, Charles C. Thomas, 1971.
8.
Allison, R.D. : The Effects Of Aging, Vascular Disease And Hypertension On The Peripheral Pulse Volume, J. American Geriatrics Society, 16: 39, 1968.
9.
Gosling, R.G. , Dunbar, G., King , D.H., Newman, D.L., Side, C.D.Woodcock, J.P., Fitzgerald, D.E., Keates, J.S., MacMillan, D.: The Quantitative Analysis Of Occlusive Peripheral Arterial Disease By A Non-Intrusive Ultrasonic Technique, Angiology, 22: 52, 1971.
10.
Allison, R.D. , Roth, G.M.: Central And Peripheral Effects During Cigarette Smoking, Arch. OfEnvironmental Health, 19: 189, 1969.
11.
Allison, R.D. , Kraner, J.C., Roth . G.M.: Effects Of Alcohol and Nitroglycerin on Vascular Responses In Man. Angiology , 22: 211, 1971.
12.
Green, M.A. , et al.: Circulatory Dynamics The Cold Pressor Test, AmericanJ. Cardiol., 16: 54, 1965.
13.
Elsner, R.W. : Changes in Peripheral Circulation With Exercise Training. Technical Report 59-16, Alaskan Air Command, Arctic Aeromedical Laboratory, Ladd Air Force Base, November, 1960, pp 1-110.
14.
Winsor. T.: Influence of Arterial Disease On The Systolic Blood Pressure Gradients Of The Extremity, American J. M. Sc.. 220: 117. 1950 .
15.
Allison, R.D. : Introduction to Basic Factors in Impedance Plethysmography, p. 18, Basic Factors In Bioelectric Impedance Measurements of Cardiac Output, Lung Volumes and the Cerebral Circulation, Edited, Robert Allison, Instrument Society of America, 1970.