Sun, Yu
Xing, Yaozhong
Zhao, Zian
Meng, Xianglong
Xu, Gang
Hai, Yong
Funding for this research was provided by:
beijing chaoyang district science and technology plan project (CYSF2109)
Article History
Received: 12 January 2021
Revised: 27 September 2021
Accepted: 8 October 2021
First Online: 30 October 2021
Declarations
:
: All authors declare that they have no conflict of interest.
: The X-ray images were obtained from Beijing Chaoyang Hospital, and no other personal information was retained for any patient during this study. Our research was approved by the Ethics Committee of Beijing Chaoyang Hospital.