Pattison, N, Brown, M RD, Gubbay, A, Peacock, J L, Ross, J R, Chapman, S, Sauzet, O & Williams, J 2016, ' Towards a pain free hospital : an in-depth qualitative analysis of the pain experiences of head and neck cancer patients undergoing radiotherapy ', British Journal of Pain, pp. 29-37 . https://doi.org/10.1177/2049463715599995