title: Tissue oxygenation using different oxygen delivery devices and ﬂow rates.
authors.affiliation: Department of Anaesthesiology, Hannover Medical School, Germany, Department of Anaesthesiology, Hannover Medical School, Germany, E-mail: juettner.bjoern@mh-hannover.de.
authors.forename: Björn
authors.initials: B
authors.lastname: Jüttner
authors.affiliation: Department of Anaesthesiology, Hannover Medical School, Germany, Department of Anaesthesiology, Hannover Medical School, Germany.
authors.forename: Marieke
authors.initials: M
authors.lastname: Großheim
authors.affiliation: Paediatric practice, Ingbert, Germany.
authors.forename: Karsten
authors.initials: K
authors.lastname: Theiss
keywords: First aid; equipment; letters (to the Editor); performance; transcutaneous oximetry