title: Reliability of mass spectrometric techniques for tissue gas analysis.
mesh_terms: D000818:Animals; D002245:Carbon Dioxide / Q000032:analysis*; D002404:Catheterization; D005549:Foreign-Body Reaction; D013058:Mass Spectrometry / Q000379:methods*; D008991:Monitoring, Physiologic; D010100:Oxygen / Q000032:analysis*; D051381:Rats; D013997:Time Factors
chemical_list: D002245:Carbon Dioxide; D010100:Oxygen