Karami, Mohammad Yasin, Laleh Dehghanpisheh, Simin Azemati, and Farnaz Feiz. 2021. “Pre-Emptive Intravenous Paracetamol Vs. Ketorolac for Shoulder Pain in Cesarean Section under Spinal Anesthesia: A Randomized Double-Blind Placebo-Controlled Trial”. Anaesthesia, Pain & Intensive Care 25 (3), 359–366. https://doi.org/10.35975/apic.v25i3.1425.