Mansur, D. I., P. Shrestha, S. Maskey, K. Sharma, S. Karki, and T. Kisiju. “Morphometric Study of Lumbar Intervertebral Spaces (discs) by Using MRI”. Journal of Lumbini Medical College, vol. 8, no. 1, June 2020, pp. 10-16, https://www.nepjol.info/index.php/JLMC/article/view/40674.