Patil, Dhananjay S, Hrishikesh R Jadav, Binodkumar, Mehta C D, and Vipul D Patel. “ANATOMICAL STUDY OF SACRAL HIATUS FOR CAUDAL EPIDURAL BLOCK ”. National Journal of Medical Research 2, no. 03 (September 30, 2012): 272–275. Accessed May 4, 2024. https://njmr.in/index.php/file/article/view/783.