AU - Lopes R FAU - Lopes, Renato D. AU - Harrington R FAU - Harrington, Robert A. TI - PT - BOOK SECTION DP - 2013 BTI - Understanding Clinical Research DA - 2013 Y2 - 2024/03/28 UR - accessmedicine.mhmedical.com/content.aspx?aid=1001145023