Narimatsu et al, 1986, Proc. Natl. Acad. Sci. U.S.A., vol. 83, pp. 4720-4724. |
Kadam et al, 1985, Journal of Bacteriology, vol. 161, pp. 277-284. |
J. Weinstein, et al., Primary Structure of .beta.-Galactoside .alpha.2,6-Sialyltransferase, Journal of Biological Chemistry, pp. 17735-17743, Dec. 25, 1987. |
J. Weinstein, et al., Sialylation of Glycoprotein Oligosaccharides N-Linked to Asparagine, Journal of Biological Chemistry, Nov. 25, 1982, pp. 13845-13853. |
M. Takeuchi et al., Comparative Study of the Asparagine-Linked Sugar Chains of Human Erythropoietins Purified From Urine and the Culture Medium of Recombinant Chinese Hamster Ovary Cells, Jour. of Bio. Chem., Mar. 15, 1988, pp. 3657-3663. |