Volume: 41

1. Performance Evaluation of the Stat Profile pHOx Ultra Blood Gas Analyzer Page:47—49
2. Inter-Laboratory Comparison of Multi-Allergen-Specific Immunoglobulin E Screening Assay Using Polycheck Allergy Diagnostic Page:39—46
3. The Performance of the Agility System for Interferon Gamma Release Assay Using QuantiFERON TB Gold In-Tube Assay Page:29—38
4. Molecular Analysis of Eight American Type Culture Collection Gonococcal Strains by Neisseria gonorrhoeae Multiantigen Sequence Typing and PorB Sequence Typing Page:24—28
5. Accuracy-Based Proficiency Testing of Creatinine Measurement: 7 Years' Experience in Korea Page:13—23
6. Performance of HemosIL ReadiPlasTin, a Liquid Reagent for Prothrombin Time Measurement Page:9—12
7. Annual Report of the Korean Association of External Quality Assessment Service on Routine Hematology (2018) Page:1—8
8. Performance Evaluation of the ARCHITECT i2000 for the Determination of Whole Blood Cyclosporin A and Tacrolimus Page:117—119
9. Current Status of the Operations of Clinical Microbiology Laboratories at Night, on Weekends, and during Public Holidays in Korea: Proposing a Consensus Guideline Page:111—116
10. Analyses of the Proficiency Testing Program and the Performance of Qualitative Reagents for Rheumatoid Factor Page:105—110
11. Report of the Korean Association of External Quality Assessment Service on Clinical Mycobacteriology (2017–2018) Page:82—104
12. Annual Report of the Korean Association of External Quality Assessment Service on Urinalysis and Fecal Occult Blood Testing (2018) Page:75—81
13. Annual Report of the Korean Association of External Quality Assessment Service on Transfusion Medicine (2018) Page:65—74
14. Annual Report of the Korean Association of External Quality Assessment Service on General Chemistry (2018) Page:51—64
15. Comparison of Red Blood Cell, White Blood Cell and Differential Counts between UF-5000 System and Manual Method Page:172—178
16. Design and Laboratory Implementation of Web Application for Collaboratively Setting Reference Intervals Page:166—171
17. Performance Evaluation of Infusion Systems for Red Blood Cell Transfusion Page:161—165
18. Production and Performance Evaluation of External Quality Assessment Materials for Human Epididymis Protein 4 Assay Page:153—160
19. Annual Report of Korean Association of External Quality Assessment Service on Histocompatibility Testing (2018) Page:130—152
20. Report of Korean Association of External Quality Assessment Service on the Accuracy-Based Lipid Proficiency Testing (2016–2018) Page:121—129