Pimentel, M A F, Redfern, O C, Gerry, S, Collins, G S, Malycha, J, Prytherch, D, Schmidt, P E, Smith, G B & Watkinson, P J 2018, ' A comparison of the ability of the National Early Warning Score and the National Early Warning Score 2 to identify patients at risk of in-hospital mortality: a multi-centre database study ', Resuscitation . https://doi.org/10.1016/j.resuscitation.2018.09.026
Charlton, P, Bonnici, T A, Tarassenko, L, Clifton, D, Beale, R & Watkinson, P 2016, ' An Assessment of Algorithms to Estimate Respiratory Rate from the Electrocardiogram and Photoplethysmogram ', Physiological Measurement, vol. 37, no. 4, pp. 610-626 . https://doi.org/10.1088/0967-3334/37/4/610 Physiological Measurement Charlton, P H, Bonnici, T A, Tarassenko, L, Clifton, D, Beale, R & Watkinson, P 2016, An Assessment of Algorithms to Estimate Respiratory Rate from the Electrocardiogram and Photoplethysmogram . in MEIBioeng16 . MEIbioeng 16, United Kingdom, 5/09/2016 .