Isolation and structure determination of the intact sialylated N-linked carbohydrate chains of recombinant human follitropin expressed in Chinese hamster ovary cells. (1990)

Hard K, Mekking A, Damm J, Kamerling J, de Boer W, Wijnands R, Vliegenthart J
Eur J Biochem, 1990 vol.193:263-271