| CI-value | Combination Index |
| DOX | Doxorubicin |
| FBS | Fetal bovine serum |
| P-gp | P-glycoprotein |
| PBS | Phosphate buffer saline |
| PTX | Paclitaxel |
| SRB | Sulforhodamine-B |
| VRP | Verapamil |
| CI-value | Combination Index |
| DOX | Doxorubicin |
| FBS | Fetal bovine serum |
| P-gp | P-glycoprotein |
| PBS | Phosphate buffer saline |
| PTX | Paclitaxel |
| SRB | Sulforhodamine-B |
| VRP | Verapamil |