Cao, Wenxuan
Feng, Hu
Ma, Yongheng
Zhao, Defang
Hu, Xiaobin
Funding for this research was provided by:
Gansu Provincial Department of Finance (2019-FWZX-11)
Article History
Received: 6 May 2022
Accepted: 26 December 2022
First Online: 5 January 2023
Declarations
:
: The data for the study was obtained from the institutional drug procurement database, and not involved human participants or human material, so ethics approval and consent to participate were not applicable.
: Not applicable.
: The authors declare that they have no competing interests.