1. London SB, London RE. Comparison of indirect blood pressure measurements (Korotkoff) with simultaneous direct brachial artery pressure distal to cuff. Adv Intern Med 1967;13:127–142
2. Nielsen PE. The accuracy of auscultatory blood pressure measurements in the elderly. Acta Med Scand (Suppl) 1983;676:39–44
3. Spence JD, Sibbald WJ, Cape RD. Pseudohypertension in the elderly. Clin Sci Mol Med 1978;55:399s-402s
4. Pereira E, Prys-Roberts C, Dagnino J, Anger C, Cooper GM, Hutton P. Auscultatory measurement of arterial pressure during anesthesia: a reassessment of Korotkoff sounds. Eur J Anaesthesiol 1985;2:11–20
5. Levine SR. “True” diastolic blood pressure. N Engl J Med 1981;304:362–363