Ethics, consent and blinding: lessons from a placebo/sham controlled CPAP crossover trial.
Djavadkhani Y, Marshall NS, D'Rozario AL, Crawford MR, Yee BJ, Grunstein RR, Phillips CL. Ethics, consent and blinding: lessons from a placebo/sham controlled CPAP crossover trial. Thorax. 2015 Mar; 70(3):265-9.