Comparison of Duration of Postoperative Analgesia after Caudal Block with or without Intravenous Dexamethasone in Paediatric Day Care Infraumbilical Surgeries under General Anaesthesia - Sharma, Nidhi; Kachru, Nisha; Kumar, Sandeep; Yadav, Rupesh (Archives of Anesthesiology and Critical Care, 2023)