Stormholt, E R, Steiness, J, Derby, C B, Larsen, M E, Maagaard, M & Mathiesen, O 2021, ' Paracetamol, NSAIDs, and glucocorticoids for postoperative pain: a protocol for a systematic review with meta-analysis and Trial Sequential Analysis ', Acta Anaesthesiologica Scandinavica, vol. 65, no. 10, pp. 1505-1513 . https://doi.org/10.1111/aas.13943