| Concentration | Control group | ATO | AMN107 | Combined group | ||||
| 0 | 1 | 2.5 | 5 | 2.5 | 5 | 10 | 10 + 5 | |
| Rate | 2.26 ± 0.63 | 4.21 ± 0.62 | 4.21 ± 0.62 | 24.12 ± 2.03 | 30.00 ± 1.48 | 63.78 ± 1.91 | 74.86 ± 1.86 | 84.60 ± 1.80 |