“…'tin and 1.32 mm) arid YAI3:Ho (2.09 mm), whose surgery action is differen , is one of the most important fields of laser surgery [1 ] . Our experiments, which were carried out on animals (2] , has shown that the treatment methods, based on the use of radiation of these lasers provide the best covering of surgery (general and endoscopic) necessities. The reasons are as follows.…”