China World Voice Day in the Fourth Affiliated Hospital of China Medical University 2019-04-262024-01-28
China Voice care for kindergarten teachers–WVD in 2nd Affiliated Hospital of Xi’an JiaoTong University 2019-04-18
China Lecture “How To Protect Your Voice” in the second Xiangya Hospital of Central South University 2019-04-18
China Free Clinic and Lecture Activities in the Second Xiangya Hospital of Central South University 2019-04-26
