H. R., Deepak, Karan Shetty, and Lakshmi Narayana Reddy G. “Association of Facet Orientation and Tropism With Lumbar Disc Herniation”. International Journal of Research in Orthopaedics 6, no. 2 (February 25, 2020): 296–300. Accessed December 23, 2025. https://www.ijoro.org/index.php/ijoro/article/view/1426.