title: Disconnecting wall gas can interrupt ventilation on Dräger Evita 2 dura and Evita 4 ventilators.
mesh_terms: D004869:Equipment Safety; D005740:Gases / Q000600:supply & distribution*; D006801:Humans; D012121:Respiration, Artificial / Q000295:instrumentation*; D014481:United States
chemical_list: D005740:Gases