China | Event 2021 Voice Related Science Popularization activities of Guangdong Hospital of Traditional Chinese Medicin 2021-04-27 China, Event 2021
Event 2021 | Russian Federation Interview with the Head of the Phoniatrics center of Chelyabinsk Regional Clinical Hospital 2021-04-27
China | Event 2021 an Interview of the Voice Research Center of the Central Conservatory of Music 2021-04-27