WIDE L., NAESSÉN T. and ERIKSSON K. 2010. Effects of 17β-oestradiol and norethisterone acetate on sulfonation and sialylation of gonadotrophins in post-menopausal women. Upsala Journal of Medical Sciences. 115, 2 (Feb. 2010), 97–106. DOI:https://doi.org/10.3109/03009730903573253.