Use of noninvasive mechanical ventilation with pressure support guaranteed with average volume in de novo hypoxaemic respiratory failure. A pilot study - Briones-Claudett, Killen; Rodriguez, Antonio; Briones-Claudett, Mónica; Puga-Tejada, Miguel; Cabrera Baños, Mariuxi; Pazmiño Dueñas, Christian; Torres Herrera, Carlos; Grunauer, Michelle (Anestezjologia Intensywna Terapia, 2018)