Disappearance of codeine, morphine and 6-MAM in hair after cessation of abuse Posted on November 7, 2023November 7, 2023 By Jeff Teitelbaum A Suárez-García, I Álvarez-Freire, A M Bermejo-Barrera, P Cabarcos-Fernández, M J Tabernero-Duque Forensic Science International; 2023 Access article Chemistry, Crime Scene Investigation and Reconstruction, DREs / Traffic Safety Resource Prosecutors, Forensic Pathology and Medicolegal Death Investigation, Seized Drugs/Controlled Substances, Toxicology