AU - Senn S FAU - Senn, Stephen J. AU - Lewis R FAU - Lewis, Roger J. AU - Livingston E FAU - Livingston, Edward H. AU - Lewis R FAU - Lewis, Roger J. TI - Treatment Effects in Multicenter Randomized Clinical Trials PT - BOOK SECTION DP - 2019 BTI - JAMA Guide to Statistics and Methods DA - 2019 Y2 - 2024/10/13 UR - jamaevidence.mhmedical.com/content.aspx?aid=1210295582