research Issues About Axial Diffusion During Segmental Hair Analysis
Wait 4-5 weeks after drug use before hair testing and cut hair into three segments to confirm single drug exposure.
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research Immune-Mediated Diseases of the Central Nervous System
The document explains the difficulty in diagnosing and treating brain diseases caused by the immune system and stresses the need for quick and accurate tests.
research Improved Forensic Hair Evidence for Drugs of Abuse by Mass Spectrometry
Forensic hair analysis for drugs is now more reliable and accurate.
research New Aspects of the Structure of Human Hair Based on Optical Microscopic Observations of Disassembled Hair Parts
Human hair's strength comes from a honeycomb-like structure and macrofibrils.
research Disappearance of Tramadol and THC-COOH in Hair After Discontinuation of Abuse: Two Different Profiles
Tramadol and THC-COOH can be detected in hair for several months after stopping use.
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