There is particular interest on the part of the FDA for the definition: Frequent short expressions: 1-400, 401-800, 801-1200, Other results: 383. Exactly: 2. Reaction time: 293 ms. The long wait was caused by the FDA`s desire to better compare and clarify the differences between the 2013 draft and the final version. “The guide describes the FDA`s current thinking regarding the definition, implementation and documentation of the contract parties` production activities, in accordance with the requirements of the PMPC.