Chonwipha Teerasantipun, MD, C.; Pichetweerachai, MD, W. .; Pruetpongpun, MD, N. .; Suwannawat, RN, K. .; Chaiwong, BSc, MPH, W. .; Kunanusont, MD, PhD, C. . The Effect of Training on Knowledge, Perception, and Practice of Healthcare Personnel on the Use of Respiratory Protective Equipment During COVID-19 Pandemic at a Private Hospital in the Northern Part of Thailand. BKK Med J 2021, 17, 110.