Planning a clinical research study - NCBI - National Institutes of Health
In planning any research protocol, we should consider two questions: 1. Is there a real . Although preferred, RCTs are just one of many research designs [Table 1]. Table 1 ... Hansen JB, Smithers BM, Schache D, Wall DR, Miller BJ, Menzies BL. . Sacco RL, Roberts JK, Boden-Albala B, Gu Q, Lin IF, Kargman DE, et al.