Drugs enter the hair by several mechanisms: diffusion from the blood supplying the hair follicle: absorption of ... Hair has been used as a testing matrix in forensic toxicology for many years, initially to identify exposure to metals such as arsenic, ... Advantages of hair as a drug-testing matrix include the ease and non- invasiveness of collection and the ability of the specimen to measure long-term drug use.
|Title||:||Principles of Forensic Toxicology|
|Publisher||:||Amer. Assoc. for Clinical Chemistry - 2003-01-01|