Authors: Andrés Esteban; Antonio Anzueto; Fernando Frutos-Vivar; Inmaculada Alía; E Wesley Ely; Laurent Brochard; Thomas E Stewart; Carlos Apezteguía; Martin J Tobin; Peter Nightingale; Dimitrios Matamis; Jorge Pimentel; Freki Abroug Journal: Intensive Care Med Date: 2004-02-28 Impact factor: 17.440