Fish egg polysialoglycoproteins: circular dichroism and proton nuclear magnetic resonance studies of novel oligosaccharide units containing one sialidase-resistant N-glycolylneuraminic acid residue in each molecule. (1984)

Kitajima K, Nomoto H, Inoue Y, Iwasaki M, Inoue S
Biochemistry, 1984 vol.23:310-316