| BCRP | Breast Cancer Resistance Protein; |
| HBSS | Hank’s Balanced Salt Solution; |
| MDR1 | Multidrug Resistance 1; |
| MRP1 | Multidrug Resistance-Associated Protein-1; |
| Papp | apparent permeability coefficient; |
| TEER | Transepithelial Electrical Resistance. |
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