Suggestions for selection and use of masks for dental medical staff during outbreaks of novel coronavirus pneumonia

SONG Jian, LIU Zhi-qing, WANG Qing, ZHU Zhuo-li, GAO Bo, YANG Zheng

Shanghai Journal of Stomatology . 2020, (4): 435 -439 . DOI: 10.19439/j.sjos.2020.04.021