QuEChERS Extraction and Analysis of Veterinary Drug Residues in Products of Animal Origin

This article describes the extraction of drug residues by QuEChERS (quick, easy, cheap, effective, rugged and safe) and analysis by liquid chromatography-electrospray ionization?tandem mass spectrometry (LC-ESI?MS?MS), using dynamic multiple reaction monitoring (DMRM), for the improved quantification of veterinary drugs.