R J Simes, M H Tattersall, A S Coates, D Raghavan, H J Solomon, H Smartt et al
Simes R J, Tattersall M H, Coates A S, Raghavan D, Solomon H J, Smartt H et al.
Randomised comparison of procedures for obtaining informed consent in clinical trials of treatment for cancer.
Br Med J (Clin Res Ed) 1986; 293 :1065
doi:10.1136/bmj.293.6554.1065