AU - Hafley G FAU - Hafley, Gail E. AU - Leonardi S FAU - Leonardi, Sergio AU - Pieper K FAU - Pieper, Karen S. AU - Lopes R FAU - Lopes, Renato D. AU - Harrington R FAU - Harrington, Robert A. TI - Chapter 8. Phase III and IV Clinical Trials PT - BOOK SECTION DP - 2013 BTI - Understanding Clinical Research DA - 2013 Y2 - 2024/03/29 UR - accessbiomedicalscience.mhmedical.com/content.aspx?aid=57836005