Ekpreechakul, Thosporn, Wiphasiri Saiphiroonthong,MD, Warut Chaiwong, and Chaiyos Kunanusont, MD, PhD. 2020. “Quantitative Fit Tests of Selected Respirators for Health Care Workers Caring for Patients With Confirmed or Suspected COVID-19”. The Bangkok Medical Journal 16 (2):196. https://doi.org/10.31524/bkkmedj.2020.21.013.