Figure 1From: Transcriptomic markers meet the real world: finding diagnostic signatures of corticosteroid treatment in commercial beef samplesSpecificity of the LC-MS method. Diagnostic ion chromatograms obtained in bovine blank urine sample spiked with 2.5 ng/mL of betamethazone (retention time 15.9 min) and DEX (retention time 16.4 min).Back to article page