Genetic variation in the proximal promoter of ABC and SLC superfamilies: liver and kidney specific expression and promoter activity predict variation. oleh Stephanie E Hesselson, Pär Matsson, James E Shima, Hisayo Fukushima, Sook Wah Yee, Yuya Kobayashi, Jason M Gow, Connie Ha, Benjamin Ma, Annie Poon, Susan J Johns, Doug Stryke, Richard A Castro, Harunobu Tahara, Ji Ha Choi, Ligong Chen, Nicolas Picard, Elin Sjödin, Maarke J E Roelofs, Thomas E Ferrin, Richard Myers, Deanna L Kroetz, Pui-Yan Kwok, Kathleen M Giacomini