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Postoperative behavioural changes in children: comparison between halothane and sevoflurane

Background: A questionnaire, modified from the posthospitalization behavioural questionnaire, was sent to all parents of children under 8 years of age who had elective surgery in the hospital of Lahr during the years 1997 and 1998. The parents were asked about long lasting changes (more than 1 week) in their child’s behaviour after surgery.