[Separate sampling of the expired and alveolar gases in spirographic studies].
D006801:Humans; D012129:Respiratory Function Tests / Q000295:instrumentation; D013048:Specimen Handling / Q000295:instrumentation*; D013147:Spirometry / Q000295:instrumentation*
Razdel'noe vziatie prob vydykhaemogo i al'veoliarnogo gazov pri spirograficheskikh issledovaniiakh.