Long-Term Stability of Hydromorphone in Human Plasma Frozen at −20°C for Three Years Quantified by LC-MS/MS Posted on July 18, 2022July 18, 2022 By sdargoltz Andreas Wehrfritz, Stefanie Schmidt, Harald Ihmsen, Jürgen Schüttler, and Christian Jeleazcov Int J Analytical Chem; 2022 Access article Chemistry, Crime Scene Investigation and Reconstruction, DREs / Traffic Safety Resource Prosecutors, Forensic Pathology and Medicolegal Death Investigation, Toxicology