Negative hair test result after long-term drug use. About a case involving morphine and literature review

Objective
Clinical Chemistry and Laboratory Medicine (CCLM) publishes articles on novel teaching and training methods applicable to laboratory medicine. CCLM welcomes contributions on the progress in fundamental and applied research and cutting-edge clinical laboratory medicine. It is one of the leading journals in the field, with an impact factor over 3. CCLM is issued monthly, and it is published in print and electronically. Letters to the Editor and Congress Abstracts are published only electronically.

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Topics

• clinical biochemistry
• clinical genomics and molecular biology
• clinical haematology and coagulation
• clinical immunology and autoimmunity
• clinical microbiology
• drug monitoring and analysis
• evaluation of diagnostic biomarkers
• disease-oriented topics (cardiovascular disease, cancer diagnostics, diabetes)
• new reagents, instrumentation and technologies
• new methodologies
• reference materials and methods
• reference values and decision limits
• quality and safety in laboratory medicine
• translational laboratory medicine
• clinical metrology

Article formats
Research Articles, Reviews, Mini Reviews and Opinion Papers on all aspects of clinical chemistry and laboratory medicine, Guidelines and Recommendations, Point/Counterpoint Articles, Letters to the Editor, Editorials