International specialized webinar titled: "Spine osteotomy, from basics to advance" in a virtual way with the cooperation of Yas Hospital and the Appraise To Raise Group of the International Vice-Chancellor of Tehran University of Medical Sciences on Saturday 20th of August at 17:00 Tehran time is held.

link: http://Link: https://en.tums.ac.ir/appraisetoraise/en/content/971/spine-osteotomy-from-basics-to-advance