Bhawna Thakur, Rekha Prashar, Rohit Bhoil, Susheela Rana, and Upendrakumar Gupta. 2021. “Evaluation of Geometrical Angles in Lumbo-Sacral Spine on Digital Radiographs in North Indian Population”. International Journal of Health and Clinical Research 4 (11):132-35. https://ijhcr.com/index.php/ijhcr/article/view/1757.