Karmacharya, P., G. L. Shrestha, S. Singh, and O. K. Shrestha. “Relation of Waist Hip Ratio and BMI With the Vital Capacity”. Journal of Chitwan Medical College, vol. 9, no. 3, Sept. 2019, pp. 51-55, https://www.nepjol.info/index.php/JCMC/article/view/25783.