Niraj Narayan Singh, et al. “To Validate and Correlate Radiologic Grading of Central and Foraminal Stenosis Post-Surgical Decompression on Degenerative Lumbar Canal Stenosis”. Asian Journal of Medical Sciences, vol. 15, no. 10, Oct. 2024, pp. 141-6, https://nepjol.info./index.php/AJMS/article/view/67624.