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Crisan, Maria-Iulia; De Lorenzi, Diego; Heinle, Armando; Heidegger, Thomas (2022). [Airway management for surgical tracheotomy-a common problem with unusual presentation]. Der Anaesthesist, 71(9), pp. 706-708. Springer-Verlag 10.1007/s00101-022-01121-y
