Senevirathne, Lakmini, et al. “Knowledge, Attitudes and Practice on Mask Wearing for Respiratory Tract Infections During the Post Covid-19 Period Among Visitors Coming to the Out Patient Department at Teaching Hospital, Peradeniya, Sri Lanka”. International Journal of Medical Students, vol. 12, Jan. 2025, p. 2357, https://ijms.info/IJMS/article/view/2913.