O'Brien, E.; Mee, F.; Atkins, N.; Thomas, M. (1996). "Evaluation of three devices for self-measurement of blood pressure according to the revised British Hypertension Society Protocol: the Omron HEM-705CP, Philips HP5332, and Nissei DS-175". Blood Pressure Monitoring. 1 (1). Europe PMC: 55–61. PMID10226203.