Barvais L, Lobo F A, Engbers F H M, Irwin M G, Schnider T W, Schraag S
Department of Anesthesiology, Erasme Hospital, Université Libre Bruxelles, Belgium.
Department of Anesthesiology, Hospital Geral de Santo António-Centro Hospitalar do Porto, Porto, Portugal.
Acta Anaesthesiol Belg. 2013;64(4):137-46.