Nguyen , D. T., M. Penta, C. Questienne, J. Garbusinski, C. V. Nguyen, and C. Sauvage. “Normative Values in Healthy Adults for the 6-Minute and 2-Minute Walk Tests in Belgium and Vietnam: Implications for Clinical Practice”. Journal of Rehabilitation Medicine, vol. 56, Mar. 2024, p. jrm18628, doi:10.2340/jrm.v56.18628.