Quantification of Classic, Prescription and Synthetic Opioids in Hair by LC–MS-MS Posted on December 2, 2022December 2, 2022 By Becky Carter Natalia A Platosz, Tina M Binz, Markus R Baumgartner, Elena Lendoiro, Ana de Castro, Marta Concheiro J Anal Tox; 45(9); 2021 Access article Chemistry, Toxicology