Zhang, Yi
Li, Shenyi
Long, Xiangdang
Li, Xi
Funding for this research was provided by:
Hunan Provincial Department of Education: Research on ultrasonic medical knowledge imparted on a webcast platform (18c0004)
Article History
Received: 22 September 2021
Accepted: 28 February 2022
First Online: 8 March 2022
Declarations
:
: This study was approved by the Medical Ethics Committee of Hunan People’s Hospital (First Affiliated Hospital of Hunan Normal University) (No. 2020–49), all methods were carried out in accordance with relevant guidelines and regulations. The written informed consent was obtained from all the participants for involvement in the study.
: Not applicable.
: The authors declare that they have no competing interests.