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2. COMMITTEE TO REVISE STANDARDIZATION OF HIGH BLOOD PRESSURE READINGS: Recommendations for human blood pressure determinations by sphygmomanometers. New York American Heart Association October 1951.
3. BURCH G. E. AND DEPASQUALE N. P.: Primer of Clinical Measurement of Blood Pressure. St. Louis Missouri C. V. Mosby Co. 1962.
4. Effect of Vertical Displacement of the Arm on Indirect Blood-Pressure Measurement
5. Comparison of Blood Pressures in the Arms and Legs