M. Kramer

Terminal α(1→4)-linked N-acetylglucosamine: A characteristic constituent of duodenal-gland mucous glycoproteins in rat and pig. A high-resolution 1H-NMR study

J. Vliegenthart, G. Gerwig, H. Halbeek, 1983 .

Human duodenal gland (Brunner's gland) mucus glycoprotein analysis.

H. Smits, M. Kramer, Henk L. Smits, 1984, Archives of biochemistry and biophysics.

Human cervical mucus and its mucous glycoprotein during the menstrual cycle.

R. V. van Kooij, M. Kramer, H. J. Roelofs, 1980, Fertility and sterility.