00354nas a2200133   4500000000100000008004100001653001200042653001300054100001600067245009300083300003100176490000700207050000600214       2006                            d10aChecked10aSynopsis1 aElkins Mark00aEarly noninvasive ventilation prevents extubation failure in at-risk patients (synopsis)  a147. [Impact Factor 1.870]0 v52  aN