title: [On the effectiveness of the Ruben valve in spontaneous respiration and positive pressure inspiration].
mesh_terms: D000769:Anesthesia, Inhalation / Q000295:instrumentation*; D011175:Positive-Pressure Respiration; D012122:Ventilators, Mechanical
vernacular_title: Uber die Effektivität des Ruben-Ventils bei Spontanatmung und druckpositiver Inspiration.