China | Event 2021 Lecture about Voice Disease Held by PLA General Hospital 2021-04-27 China, Event 2021
Event 2021 | Russian Federation Workshop by G.A. Sazhina for students of Perm State Pedagogical University 2021-05-11
Event 2021 | Russian Federation Scientific program for doctors related to modern approaches in the diagnosis and treatment of larynx 2021-04-05