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Precision study.
| Drug | Concentration (μg/mL) | Intraday precision Calculated concentration ± S.D. (μgmL−1), R.S.D. | Interday precision calculated concentration ± S.D. (μgmL−1), R.S.D. |
|---|---|---|---|
| Risperidone | 20 | 19.88 ± 0.20, 1.04 | 20.04 ± 0.24, 1.22 |
| 30 | 29.85 ± 0.26, 0.89 | 29.82 ± 0.26, 0.88 | |
| 40 | 39.92 ± 0.21, 0.52 | 39.87 ± 0.27, 0.68 |
