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An ultra-low-cost at-home blood pressure monitor that enables a smartphone to measure blood pressure
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Automated 'oscillometric' blood pressure measuring devices: how they work and what they measure | Journal of Human Hypertension
Calibration, Maintenance, and Use of Blood Pressure Devices - The Seventh Report of the Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure - NCBI Bookshelf
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Biosensors | Free Full-Text | Upper-Arm Photoplethysmographic Sensor with One-Time Calibration for Long-Term Blood Pressure Monitoring
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