| Applied Method | LOD | Linearity | Run times | Sample type |
| Cho HY et al. 2002 [3] | 0.2 μg/mL | 0.2 - 30.0 μg/mL | 10 min | Human plasma |
| Johnson VM et al. 2000 [15] | 0.2 μg/mL | 0.2 - 30.0 μg/mL | 18 min | Human plasma |
| Shoaib MH et al. 2008 [22] | 0.4 μg/mL | 1 - 12 μg/mL | 28 min | Human plasma |