Perceptions of patients and physicians regarding phase I cancer clinical trials: implications for physician-patient communication.
Meropol NJ, Weinfurt KP, Burnett CB, Balshem A, Benson AB 3rd, Castel L, Corbett S, Diefenbach M, Gaskin D, Li Y, et al. J Clin Oncol. 2003 Jul 1; 21(13):2589-96.