References associated to structure

Title Year Authors
Chemical characterization of milk oligosaccharides of the polar bear, Ursus maritimus. 2000 Urashima T, Yamashita T, Nakamura T, Arai I, Saito T, Derocher A, Wiig O
Chemical characterization of milk oligosaccharides of the Japanese black bear, Ursus thibetanus japonicus. 1999 Urashima T, Sumiyoshi W, Nakamura T, Arai I, Saito T, Komatsu T, Tsubota T