TY - JOUR AU - Schmidbauer, W. PY - 2011 DA - 2011// TI - Early pre hospital use of NIV JO - Emerg Med J VL - 28 UR - https://doi.org/10.1136/emj.2009.089102 DO - 10.1136/emj.2009.089102 ID - Schmidbauer2011 ER -