P. Banck-Petersen, T. Larsen, U. Pedersen-Bjergaard, L. Bie-Olsen, T. Høi-Hansen, and B. Thorsteinsson, “Concerns about hypoglycaemia and late complications in patients with insulin-treated diabetes”, idn, vol. 4, no. 3, pp. 113–118, Sep. 2007.