1. Blundell, T. L., Dodson, G. G., Dodson, E., Hodgkin, D. C., Vijayan, M.: X-ray analysis and the structure of insulin. Recent Progr. Hormone Res.27, 1?40 (1971)
2. Freychet, P., Brandenburg, D., Wollmer, A.: Receptor-binding assay of chemically modified insulins. (Comparison of in vitro and in vivo bioassays). Diabetologia10, 1?5 (1974)
3. Gliemann, J., Gammeltoft, S.: The biological activity and the binding affinity of modified insulins determined on isolated fat cells. Diabetologia10, 105?113 (1974)
4. Gliemann, J., Sørensen, H. H.: Assay of insulin-like activity by the isolated fat cell method. IV. The biological activity of proinsulin. Diabetologia6, 499?504 (1970)
5. Brandenburg, D., Busse, W., Gattner, H., Zahn, H., Wollmer, A., Gliemann, J., Puls, W.: Structure-function studies with chemically modified insulins. Peptides 72: Proceedings of the Twelfth European Peptide Symposium, Reinhardsbrunn Castle, German Democratic Republic. September 1972, pp. 270?283. Amsterdam: North-Holland Publishing Company 1973