Monotosh Pramanik, et al. “Combination of Ultrasound-Guided Pectoral Nerve Block I and Serratus Anterior Plane Block for Attenuation of Surgical Stress Response During Modified Radical Mastectomy: A Prospective Interventional Randomized Controlled Trial”. Asian Journal of Medical Sciences, vol. 15, no. 12, Dec. 2024, pp. 6-12, https://nepjol.info./index.php/AJMS/article/view/69846.