Atlas of Internal Fixation

The AO documentation was established at the beginning of 1959, only 3 months after the founding of the AO. We used from the very beginning our X-ray cards and code sheets. Progress was rapid. Towards the end of 1959, we had already over 1000 X-ray cards with miniaturized X-rays representing the initial X-ray, the one after surgery, and the one at the 4-month follow-up. From the very beginning, the documentation was one of our four main pillars and provided us with manifold services. The docu­ me