Using an air purifier as a supplementary protective measure in dental clinics during the coronavirus disease 2019 (COVID-19) pandemic

Zhao, B; An, N; Chen, C

Zhao, B (corresponding author), Tsinghua Univ, Sch Architecture, Dept Bldg Sci, Beijing, Peoples R China.; Zhao, B (corresponding author), Tsinghua Univ, Beijing Key Lab Indoor Air Qual Evaluat & Control, Beijing, Peoples R China.; An, N (corresponding author), Peking Univ Sch & Hosp Stomatol, Dept Gen Dent 2, Beijing, Peoples R China.; An, N (corresponding author), Peking Univ Sch & Hosp Stomatol, Natl Clin Res Ctr Oral Dis, Beijing, Peoples R China.; An, N (corresponding author), Peking Univ S

INFECTION CONTROL AND HOSPITAL EPIDEMIOLOGY, 2021; 42 (4): 493