Sauliha Rafeeq, Ghulam M Bhat, Shahid Kaleem, Insha Majeed, and Shazia Afzal, “Morphometric study of sacral hiatus in adult Indian human dry sacra and its significance in caudal anesthesia”, J Popl Ther Clin Pharmacol, vol. 31, no. 2, pp. 2839–2846, Feb. 2024, doi: 10.53555/jptcp.v31i2.4614.