Oxygen.alveolar - arterial:PPresDiff:Pt:Respiratory system:Qn
oxygen.alveolar - arterial:ppresdiff:pt:respiratory system:qn
Oxygen.alveolar - arterial:Difference in Partial Pressure:To identify measures at a point in time:Respiratory system:Quantitative
oxygen.alveolar - arterial:difference in partial pressure:to identify measures at a point in time:respiratory system:quantitative