S. Varadarajan, A. G. Venguidesvarane, M. Rajamohan, S. . Varadarajan, and T. M. Balaji, “Changes in physical activity, dietary behaviours, and BMI among undergraduate health students before, during, and after the COVID-19 lockdown: a follow-up study”, Int. J. Nutrology, vol. 19, no. 1, Jan. 2026.