Marking system demonstration [videorecording] : the magic of the spinograph by Richard A. Gohl, D.C.Call Number: WB 905.9 G614m [2009?] DVD
This DVD translates Dr. Gohl’s years of experience in marking and evaluating x-rays into an easy to apply system which covers Dr. Gonstead’s marking system for the AP film and Dr. Gohl’s marking system for the Lateral film. Using real films, Dr. Gohl demonstrates his point by point marking system: a system which enables you to consistently and repeatedly measure the results of your adjustments