Figure 5: HPLC-MS/MS chromatogram (overlaid graphs of single mass traces) of a standard mixture of tacrolimus (8.59 min), sirolimus (11.59 min), everolimus (12.70 min), cyclosporin A (24.12 min) and cyclosporin D (27.16 min), 10 µl (1 µg/ml) injected (for details see Table 1, Figure1)