Frequency analysis of photoplethysmogram and its derivatives. - Mohamed Elgendi; Richard Ribón Fletcher; Ian Norton; Matt Brearley; Derek Abbott; Nigel H. Lovell; Dale Schuurmans (Comput. Methods Programs Biomed., 2015)

On Time Domain Analysis of Photoplethysmogram Signals for Monitoring Heat Stress. - Mohamed Elgendi; Rich Fletcher; Ian Norton; Matt Brearley; Derek Abbott; Nigel H. Lovell; Dale Schuurmans (Sensors, 2015)