Sonbol, E., M. Saleh, M. S. Abd Elaziz, and A. Moussa. “Comparative Analgesic Efficacy of Ketamine Versus Neostigmine As Adjuvants to Bupivacaine During Ultrasound-Guided Serratus Anterior Plane Block in Modified Radical Mastectomy”. Anaesthesia, Pain & Intensive Care, Vol. 28, no. 2, Apr. 2024, pp. 315-23, doi:10.35975/apic.v28i2.2440.