Trials Crocker, J C, Pratt-Boyden, K, Hislop, J, Rees, S, Locock, L, Olszowski, S, Chant, A, Treweek, S, Cook, J A, Woolfall, K, Farrar, N, Bostock, J & Bulbulia, R 2019, ' Patient and public involvement (PPI) in UK surgical trials : A survey and focus groups with stakeholders to identify practices, views, and experiences ', Trials, vol. 20, no. 1, 119 . https://doi.org/10.1186/s13063-019-3183-0 Trials, Vol 20, Iss 1, Pp 1-15 (2019)