Source
Cooper GA, Kronstrand R, Kintz P; Society of Hair Testing. Society of Hair Testing guidelines for drug testing in hair. Forensic Sci Int. 2012;218(1-3):20-24. doi:10.1016/j.forsciint.2011.10.024
Cooper GA, Kronstrand R, Kintz P; Society of Hair Testing. Society of Hair Testing guidelines for drug testing in hair. Forensic Sci Int. 2012;218(1-3):20-24. doi:10.1016/j.forsciint.2011.10.024