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Bock K, Köhle C (2005). "UDP-glucuronosyltransferase 1A6: structural, functional, and regulatory aspects". Methods enzymol.400: 57–75. PMID16399343. doi:10.1016/S0076-6879(05)00004-2.
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Ferro, D. R. Provasoli, A. (1990). "Conformer populations of L-iduronic acid residues in glycosaminoglycan sequences". Carbohydr. Res.195 (2): 157–167. PMID2331699. doi:10.1016/0008-6215(90)84164-P.