Areeba Nasar; SadiqWadood Siddiqui; Aditya Pratap Singh; Anas Ahmad Khan; Nushrat Jahan; Neel Kamal Arora. Anatomical Study of Variations of Sacral Hiatus and Its Clinical Relevance in Caudal Epidural Block. Int. J. Heal. Clin. Res. 2021, 4, 50-53.