Introduction to anesthesia Spinal and epidural anesthesia Caudal anesthesia in pediatric Ventilator associated pneumonia Preoperative preparations and assessments of patients before surgery Comparative study between the effect of different additives to caudal anesthesia in pediatrics on postoperative pain Preoperative nasopharyngeal swab testing and postoperative pulmonary complications in patients undergoing elective surgery during the SARS-CoV-2 pandemic Elective Cancer Surgery in COVID-19–Free Surgical Pathways During the SARS-CoV-2 Pandemic: An International, Multicenter, Comparative Cohort Study Death following pulmonary complications of surgery before and during the SARS-CoV-2 pandemic Perception of anaesthesia staff of an automated drug dispenser as an anaesthesia workstation Running title: Automated Drug Dispenser for Anaesthetics