SHAW, D. B. Variations of bloodpressure in hypertensives during sleep. Lancet. 1963, i, 797-799
HINMAN, A. T. Portable blood pressure records: accuracy and preliminary use in evaluating intradaily variations in pressure. Am Heart J. 1962, 64, 663-668
SCHNEIDER, R. A. An improved fully automatic portable blood pressure recorder. J Appl Physiol. 1974, 37, 776-779