Evaluation of a novel wireless near-infrared spectroscopy (NIRS) device in the detection of tourniquet induced ischaemia. Issue 1 (12th January 2022) - Gimzewska, Madelaine; Berthelot, Melissa; Sarai, Pawandeep; Geoghegan, Luke; Onida, Sarah; Shalhoub, Joseph; Strutton, Paul; Davies, Alun