Richards, DA, Sugg, HVR, Cockcroft, E, Cooper, J, Cruickshank, S, Doris, F, Hulme, C, Logan, P, Iles-Smith, HM, Melendez-Torres, GJ, Rafferty, AM, Reed, N, Russell, AM, Shepherd, M, Singh, SJ, Thompson Coon, J, Tooze, S, Wotton, S, Abbott, R, Bethel, A, Creanor, S, Quinn, L, Tripp, H, Warren, FC, Whear, R, Bollen, J, Hunt, HA, Kent, M, Morgan, L, Morley, N, Romanczuk, L, "COVID-NURSE : evaluation of a fundamental nursing care protocol compared to care as usual on experience of care for non-invasively ventilated patients in hospital with the SARS-CoV-2 virus : protocol for a cluster randomised controlled trial", BMJ Open, 2021