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2. RCOA guidelines for the provision of anaesthesia services for care in the non-theatre environment,2013
3. NICE clinical guideline 112. Sedation in children and young people;NICE,2010
4. Guidelines for the elective use of conscious sedation, deep sedation, and general anesthesia in pediatric patients. Committee on Drugs Section on anesthesiology;Pediatrics,1985
5. Guidelines for monitoring and management of pediatric patients during and after sedation for diagnostic and therapeutic procedures;American Academy of Pediatrics Committee on Drugs;Pediatrics,1992