Yadana, S., K. K. Coleman, T. T. Nguyen, C. Hansen-Estruch, S. Kalimuddin, K. C. Thoon, J. G. H. Low, and G. C. Gray. “Monitoring for Airborne Respiratory Viruses in a General Pediatric Ward in Singapore”. Journal of Public Health Research, Vol. 8, no. 3, Dec. 2019, doi:10.4081/jphr.2019.1407.