HypnoChild: A prospective study to reduce preoperative anxiety and postoperative discomfort in children using a hypnosis intervention before tonsillotomy and adenotomy - Schmidt, Barbara; Thomas, Claudia; Göttermann, Antje; Meißner, Winfried; Geißler, Katharina; Guntinas-Lichius, Orlando; Schirrmeister, Anne (Laryngo-Rhino-Otologie, 2022)