Citation

Qian YL, Ran Z, Li F. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2018; 36(12): 921-922.

Copyright

(Copyright © 2018, Tianjin shi lao dong wei sheng yan jiu suo)

DOI

10.3760/cma.j.issn.1001-9391.2018.12.011

PMID

30812081

Abstract

[Abstract unavailable]

Language: zh