Informed consent in randomised controlled trials: development and preliminary evaluation of a measure of participatory and informed consent (PIC) (Trials, 2017)

(untitled) - Wade, J; Elliott, D; Avery, K; Gaunt, D; Young, G; Barnes, R; Paramasivan, S; Campbell, W; Blazeby, J; Birtle, A; Stein, R; Beard, D; et al.