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Weiss, M; Dullenkopf, A; Fischer, J; Keller, C; Gerber, A; Greif, R (2009). «Prospective randomized controlled multi-centre trial of cuffed or uncuffed endotracheal tubes in small children». British journal of anaesthesia, 103(6), pp. 867-873. Oxford: Oxford University Press 10.1093/bja/aep290
