Citation

Zhang HR, Meng YB, Ming ZG, Li S, Hao ZM. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2021; 39(8): 621-622.

Copyright

(Copyright © 2021, Tianjin shi lao dong wei sheng yan jiu suo)

DOI

10.3760/cma.j.cn121094-20200615-00341

PMID

unavailable

Abstract

[Abstract unavailable]

Language: zh