Dorzolamide on the steroid profile, all samples were measured with the validated accredited GC-MS/MS method which is routinely applied to determine steroid profile markers in all doping control urine sample analysed [...] (a urine blank is presented in Figure 3A). LOD was found to be 2.5 ng/mL, all replicates had S/N ratios greater than 3 for all monitored transitions (a urine spiked at 2.5 ng/mL is presented in Figure [...] 334-0-8153 Figure 1. Results of the analysis of all the urine samples collected from subject 1, using SDS-PAGE (Panel A) and IEF-PAGE (Panel B), and all plasma samples using SDS-PAGE (Panel C) and IEF-PAGE