1. Variations in arterial blood gas measurements due to sampling techniques;Bageant;Respir Care,1975
2. The effects of sodium heparin on arterial blood-gas analysis;Cissik;Cardiovasc Pulmonol,1977
3. Proficiency testing for arterial blood gas measurements;Clausen;ATS News,1981
4. Clinical applications of arterial blood gases: How much accuracy do we need?;Clausen;J Med Technol,1985
5. Proficiency testing for blood-gas quality control;Delaney;Clin Chem,1976