tokens: Characterization of the 5 ' - flanking region of the human multidrug resistance protein 2 ( MRP2 ) gene and its regulation in comparison withthe multidrug resistance protein 3 ( MRP3 ) gene .
folded_tokens: characterization of the 5 ' - flanking region of the human multidrug resistance protein 2 ( mrp2 ) gene and its regulation in comparison withthe multidrug resistance protein 3 ( mrp3 ) gene .