Homemade Pipette Tip Solid-Phase Extraction for the Simultaneous Determination of 40 Drugs of Abuse in Urine by Liquid Chromatography–Tandem Mass Spectrometry Posted on October 28, 2022 By Becky Carter Sergi Pascual-Caro, Francesc Borrull, Marta Calull and Carme Aguilar Separations; 9(9); 2022 Access article Cannabis and Cannabinoids, Chemistry, Forensic Pathology and Medicolegal Death Investigation, Sexual Assault / SANE, Toxicology