1. CLIA final rules for quality systems;Westgard,2004
2. Evaluation of precision performance of quantitative measurement methods; approved guidelines;National Committee for Clinical Laboratory Standards,2004
3. Method comparison and bias estimation using patient samples;National Committee for Clinical Laboratory Standards,2002
4. User protocol for evaluation of qualitative test performance; approved guidelines;National Committee for Clinical Laboratory Standards,2002
5. GP29-P validation of laboratory tests when proficiency testing is not available;National Committee for Clinical Laboratory Standards;NCCLS,2002