Current status and influencing factors of hesitation of occupational pneumoconiosis patients on Covid ⁃ 19 vaccination in Guangdong Province 
GU Yicen , WANG Yuhao, JING Ru, PENG Jinbi, HAN Yuhao, YANG Daoyu, QUAN Ningbin, LI Xudong.
The Journal of Practical Medicine . 2023, (15): 1974 -1981 .  DOI: 10.3969/j.issn.1006-5725.2023.15.020