External quality control of urinary methyl malonic acid quantification – announcement of a pilot study

Articles in the same Issue

1. Where does the evidence come from?
2. NASBA: a novel approach to assess hormonal receptors and ERBB2 status in breast cancer
3. Plasma cell-free DNA as an indicator of severity of injury in burn patients
4. Bivariate statistical approach to evaluate laboratory performance by analysis of standard curves in an External Quality Assurance program for quantitative assays based on real-time PCR with Taq-Man™ probes
5. Erythrocyte membrane acetylcholinesterase activity in subjects with MTHFR 677C→T genotype
6. Plasma levels of tumor M2-pyruvate kinase should not be used as a tumor marker for hematological malignancies and solid tumors
7. APO A-V–1131T→C polymorphism frequency and its association with morbidity in a Brazilian elderly population
8. Association study between fibronectin and coronary heart disease
9. Serum calcium and phosphorus associate with the occurrence and severity of angiographically documented coronary heart disease, possibly through correlation with atherogenic (apo)lipoproteins
10. Urinary calcium excretion in severe preeclampsia and eclampsia
11. In vitro re-mineralization of demineralized bone matrix in human serum
12. Measurement of serum amyloid A1 (SAA1), a major isotype of acute phase SAA
13. Disturbed lipoprotein composition in non-dialyzed, hemodialysis, continuous ambulatory peritoneal dialysis and post-transplant patients with chronic renal failure
14. Measurement of serum testosterone using high-performance liquid chromatography/tandem mass spectrometry
15. Quantitative bacterial micro-assay for rapid detection of serum phenylalanine on dry blood-spots: application in phenylketonuria screening
16. N-Terminal pro-brain natriuretic peptide: normal ranges in the pediatric population including method comparison and interlaboratory variability
17. A new quality control model using performance goals based on biological variation in External Quality Assurance Schemes
18. Improvement in glycemic control over 11 years in patients monitored for diabetes in one county
19. The clinical usefulness of glucose tolerance testing in gestational diabetes to predict early postpartum diabetes mellitus
20. Analytical performance of a new two-step ADVIA Centaur^® estradiol immunoassay during ovarian stimulation
21. EC4 European Syllabus for Post-Graduate Training in Clinical Chemistry and Laboratory Medicine: version 3 – 2005
22. POX-Act assay and d-ROMs test – what are the facts?
23. External quality control of urinary methyl malonic acid quantification – announcement of a pilot study