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Nowak, Hartmuth; Zech, Nina; Asmussen, Sven; Rahmel, Tim; Tryba, Michael; Oprea, Guenther; Grause, Lisa; Schork, Karin; Moeller, Manuela; Loeser, Johannes; Gyarmati, Katharina; Mittler, Corinna; Saller, Thomas; Zagler, Alexandra; Lutz, Katrin; Adamzik, Michael; Hansen, Ernil (2020): Effect of therapeutic suggestions during general anaesthesia on postoperative pain and opioid use: multicentre randomised controlled trial. In: BMJ-British Medical Journal, Vol. 371, m4284 [PDF, 562kB]