Zhang, Hongmei
Chen, Zhengjie
Ma, Wenhui
Cao, Shijie
Jiang, Kaizhi
Zhu, Yaqian
Funding for this research was provided by:
National Natural Science Foundation of China (51804147)
Yunnan Provincial Department of Education (2018JS018)
Article History
Received: 23 February 2021
Accepted: 12 March 2021
First Online: 23 March 2021
Declarations
:
: “For “Ethical statement”, This article does not contain any studies with human participants or animals performed by any of the authors.In this experiment, we did not collect any samples of human and animals. The human hair sample used in this paper is only a China national certified reference standard material, which was purchased from a commercial institute in China.”
: We declare that we have no conflict of interest.
: Not applicable.
: Not applicable.