1. No increase of hypoglycaemia upon transfer of aged longstanding type 1 diabetic patients to human insulin: a prospective randomized study. The Investigators of the Transfert Study;Altman;Diabetes & Metabolism,1998
2. Warning symptoms of hypoglycaemia during treatment with human and porcine insulin in diabetes mellitus;Berger;Lancet,1989
3. Treatment with human insulin (recombinant DNA) in diabetic subjects pretreated with pork or beef insulin: first results of a multicenter study;Beyer;Diabetes Care,1982
4. 12 month's therapy with biosynthetic human insulin. Results of a double-blind comparative study with swine and bovine insulin in insulin-dependent diabetics during a multicenter study;Beyer;Muenchner Medizinische Wochenschrift,1983
5. Comparison of highly purified semi-synthetic insulin and highly purified porcine insulin in the treatment of type I diabetes: interim report of a multi-centre randomised single blind study;Birtwell;Diabetes & Metabolism,1984