Foong, W.-S., H. L. T. Teo, D. H. B. Wang, and S. Y. J. Loh. “Challenges and Adaptations in Training During Pandemic COVID-19: Observations by an Orthopedic Resident in Singapore”. Acta Orthopaedica, vol. 91, no. 5, July 2020, pp. 562-6, doi:10.1080/17453674.2020.1786641.