EKPREECHAKUL, MD, MSC, T. .; SAIPHIROONTHONG, MD, MSC, W. .; CHAIWONG,BSC, MPH, W. . Letter to Editor: Quantitative Fit Test of Double Layer Surgical Masks . The Bangkok Medical Journal, [S. l.], v. 17, n. 1, p. 70, 2021. DOI: 10.31524/bkkmedj.2021.15.001. Disponível em: https://he02.tci-thaijo.org/index.php/bkkmedj/article/view/249330. Acesso em: 29 mar. 2024.