title: [Trends in improving the apparatus for artificial ventilation of the lungs using the example of the PO-6 apparatus].
mesh_terms: D000776:Anesthesiology / Q000295:instrumentation; D012121:Respiration, Artificial / Q000295:instrumentation*; D014586:USSR; D014692:Ventilation-Perfusion Ratio
vernacular_title: Napravleniia sovershenstvovaniia apparatury iskusstvennoĭ ventiliatsii legkikh na primere apparata PO-6.