TY - GEN AU - Tenser,Richard B AU - Polman,Chris H TI - Ethics of placebo-controlled clinical trials in multiple sclerosis: a reassessment SN - 1526-632X PY - 2009///0427 KW - Controlled Clinical Trials as Topic KW - ethics KW - Humans KW - Multiple Sclerosis KW - drug therapy KW - Placebos KW - standards N1 - Publication Type: Comment; Letter UR - https://doi.org/10.1212/01.wnl.0000339396.79460.9c ER -