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Zapata A, León Y, Mato JM, Varela-Nieto I, Penadés S, Martín-Lomas M.Zapata A, et al.Carbohydr Res. 1994 Nov 1;264(1):21-31. doi: 10.1016/0008-6215(94)00178-2.Carbohydr Res. 1994.PMID: 8001018