Dhakal, G. R., A. Biswas, S. Rathinavelu, D. K. K. Patel, and S. Basu. “Comparison Between Standing and Supine Lateral Radiographs in Low Grade Spondylolisthesis”. Journal of Manmohan Memorial Institute of Health Sciences, vol. 1, no. 4, Jan. 2015, pp. 14-18, doi:10.3126/jmmihs.v1i4.11996.