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Mi LZ, Devarakonda S, Harp JM, Han Q, Pellicciari R, Willson TM, Khorasanizadeh S, Rastinejad F (April 2003). "Structural basis for bile acid binding and activation of the nuclear receptor FXR". Mol. Cell11 (4): 1093–100. PMID12718893. doi:10.1016/S1097-2765(03)00112-6.