http://www.w3.org/ns/prov#value | - Respiration-modulated signals may be obtained using a variety of sensors, including a respiratory band (e.g., elastic bands) sensing arrangement, a minute ventilation sensor, impedance sensor, accelerometer, pressure sensor, cardiac sensors (e.g., ECG sensor), electromyogram (EMG) sensor, and/or air flow sensor such as that of a positive airway pressure device (e.g., continuous positive airway pre
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