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Performance characteristics for liquid chromatography coupled with tandem mass spectrometry assay
| Internal standard | Total phenytoin |
|---|---|
| Mephenytoin | |
| Linearity (μg/mL) | 0.1–50 μg/mL (r ≥ 0.9974) |
| Interassay precision (%RSD) | 3.6–6.4 |
| Interassay accuracy (% relative error) | −10.1 to −3.4 |
