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. 2013 Jul 4;2(3):125–136. doi: 10.1530/EC-13-0023

Figure 1.

Figure 1

MS chromatograms of the quantifier mass transition of the lowest working calibrator for each analyte. The nominal concentrations were as follows: 1.95 nmol/l, cortisol; 0.98 nmol/l, cortisone; 0.98 nmol/l, prednisolone; 0.98 nmol/l, prednisone; 0.10 nmol/l, 11-deoxycortisol (11DOC); 0.06 nmol/l, dexamethasone (DXM); 0.02 nmol/l, testosterone; 0.12 nmol/l, androstenedione; 0.24 nmol/l, 17α-OH-progesterone (17OHP); and 0.24 nmol/l; progesterone. m/z, mass-to-charge ratio of the ionized compound and fragment.