Lu, R., Wang, J., Li, M., He, J., Wang, Y., Dong, J., & Cai, W. (2022). Retrospective quantitative detection of SARS-CoV-2 by digital PCR showing high accuracy for low viral load specimens. The Journal of Infection in Developing Countries, 16(01), 10–15. https://doi.org/10.3855/jidc.15315