Assertion: smoke's level | /r/HasProperty | within the reference range
Facets:
Source sentences:
text: Although the presence of a PaO 2 level that is within the reference range may not exclude significant tissue hypoxia due to the effects of CO, the presence of a low PaO 2 (< 60 mm Hg in room air) or hypercarbia (alveolar [arterial] carbon dioxide pressure