Calderini, E Patient-ventilator asynchrony during noninvasive ventilation: the role of expiratory trigger. [electronic resource] - Intensive care medicine Jul 1999 - 662-7 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 0342-4642 Standard No.: 10.1007/s001340050927 doi Subjects--Topical Terms: AIDS-Related Opportunistic Infections--complicationsAdultCritical Care--methodsEquipment FailureHumansMaleMasksMiddle AgedPneumonia, Pneumocystis--complicationsPositive-Pressure Respiration--instrumentationRespiratory Distress Syndrome--etiologyTime FactorsVentilators, Mechanical--standards