China “Better voice, better yourself”: Word Voice Day Public Welfare Activity in Guangzhou 2019-04-18 China
China Free Clinic and Lecture Activities in the Second Xiangya Hospital of Central South University 2019-04-26
China Free Clinic and Lecture Activities of Peking University First Hospital on World Voice Day 2019 2019-04-18
China Lecture “How To Protect Your Voice” in the second Xiangya Hospital of Central South University 2019-04-18
