Subashini Vichili Mohan , Gayathri Balasubramaniam, Gunaseelan Mirunalini. A Double-Blinded Randomized Controlled Study on the Effectiveness of Postoperative Analgesia-Comparison Between Ultrasound Versus Anatomical Landmark Technique of Blocking Bilateral Supra Zygomatic Maxillary Nerve in Paediatric Patients Undergoing Cleft P. SEEJPH [Internet]. 2025 Feb. 18 [cited 2025 Apr. 19];:876-8. Available from: https://seejph.com/index.php/seejph/article/view/4737