AU - Durkalski-Mauldin V FAU - Durkalski-Mauldin, Valerie L. AU - Brady K FAU - Brady, Kathleen T. AU - Greenberg R FAU - Greenberg, Raymond S. TI - Clinical Trials PT - BOOK SECTION DP - 2014 BTI - Medical Epidemiology: Population Health and Effective Health Care, 5e DA - 2014 Y2 - 2024/04/19 UR - accessmedicine.mhmedical.com/content.aspx?aid=1108590235