October 01, 2011 article Open access Proficiency Testing/External Quality Assessment: Current Challenges and Future Directions Clinical Chemistry DOI: 10.1373/clinchem.2011.168641 Full text (OA) OpenAlex Authors 0 Author list not loaded yet. Cited by 6 stored of 339 Search Sort Most cited Newest Oldest Patent citations Title Any typearticle review book-chapter conference-paper preprint dissertation book dataset other Any fieldAgricultural and Biological Sciences Arts and Humanities Biochemistry, Genetics and Molecular Biology Business, Management and Accounting Chemical Engineering Chemistry Computer Science Decision Sciences Dentistry Earth and Planetary Sciences Economics, Econometrics and Finance Energy Engineering Environmental Science Health Professions Immunology and Microbiology Materials Science Mathematics Medicine Neuroscience Nursing Pharmacology, Toxicology and Pharmaceutics Physics and Astronomy Psychology Social Sciences Veterinary Open access Garbage in, (mis)diagnosis out: making laboratory measurement bias visible and actionable across clinical algorithm outputs 2026 Clinical Chemistry and Laboratory Medicine (CCLM) article Medicine Clinical Laboratory Practices and Quality Control 0 citations Result harmonization in medical laboratories: accomplishments and challenges 2026 Clinical Chemistry and Laboratory Medicine (CCLM) article Medicine Clinical Laboratory Practices and Quality Control Open access 4 citations Behind the scenes of EQA – characteristics, capabilities, benefits and assets of external quality assessment (EQA): Part III – EQA samples 2025 Clinical Chemistry and Laboratory Medicine (CCLM) article Medicine Clinical Laboratory Practices and Quality Control Open access 21 citations Reference, calibration and referral laboratories – a look at current European provisions and beyond 2024 Clinical Chemistry and Laboratory Medicine (CCLM) article Health Professions Healthcare Regulation Open access 7 citations Overcoming challenges regarding reference materials and regulations that influence global standardization of medical laboratory testing results 2022 Clinical Chemistry and Laboratory Medicine (CCLM) article Medicine Clinical Laboratory Practices and Quality Control Open access 25 citations The Time Has Come for Quantitative Protein Mass Spectrometry Tests That Target Unmet Clinical Needs 2021 Journal of the American Society for Mass Spectrometry article Chemistry Advanced Proteomics Techniques and Applications Open access cited by 1 patent 49 citations 6 results References 0