Placebo comparator group selection and use in surgical trials : the ASPIRE project including expert workshop

Beard, D J, Campbell, M K, Blazeby, J M, Carr, A J, Weijer, C, Cuthbertson, B H, Buchbinder, R, Pinkney, T, Bishop, F L, Pugh, J, Cousins, S, Harris, I, Lohmander, L S, Blencowe, N, Gillies, K, Probst, P, Brennan, C, Cook, A, Farrar-Hockley, D, Savulescu, J, Huxtable, R, Rangan, A, Tracey, I, Brocklehurst, P, Ferreira, M L, Nicholl, J, Reeves, B C, Hamdy, F, Rowley, S C S, Lee, N & Cook, J A 2021, 'Placebo comparator group selection and use in surgical trials : the ASPIRE project including expert workshop', Health Technology Assessment, vol. 25, no. 53. https://doi.org/10.3310/hta25530