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. 2021 Dec 15;8:799442. doi: 10.3389/fsurg.2021.799442

Figure 7.

Figure 7

Always with the finger on the pulse of the latest technology. As early as 1970, just a few months after the German tech company Philips launched their first “portable” TV camera, Semm used it in the operating room. Several educational films were produced with the aid of the camera (4143).