Current situation and discussion on common problems of radiation protection for dental X-ray diagnostic project in 44 dental clinics in Guangdong Province, China
ZHANG Zaoqin, GENG Jiwu, XU Zhiqiang, LI Lichun
Chinese Journal of Radiological Health . 2022, (6): 704 -707,712 .  DOI: 10.13491/j.issn.1004-714X.2022.06.011