 Positive Reinforcement Of Objective Findings. P.R.O.O.F. Preferred offers the chiropractic profession a dynamic, "fill-in-the-blank" report driven system that allows a physician to efficiently and accurately provide powerful and objective documentation. | |  | Objectifies  "The P.R.O.O.F. Preferred system enables the doctor to objectify injury in the most evidenced-based way possible, while at the same time generating the most complete narrative report on the market." -Dr. Gregg Friedman |  |