Books and Reference Manuals: Six Sigma Quality Design and Control
QC Selection Grid, Square 6 - Westgard
2018 Global Six Sigma Survey Results - Westgard
Books and Reference Manuals: Advanced QC Strategies
Sigma metric tools for QC design and frequency. | Download Scientific Diagram
Westgard Rules" - Westgard
Sigma-metrics of an AU 680 - Westgard
Evaluation of Sigma Metrics and Westgard Rule Selection and Implementation of Internal Quality Control in Clinical Chemistry Reference Laboratory, Ethiopian Public Health Institute | Indian Journal of Clinical Biochemistry