1. Multiplicative Poisson models with unequal cell rates;Andersen;Scand. J. Statist.,1977
2. Effects of strategy changes in the treatment of femoral neck fractures during a 17-year period;Ceder;Clin. Orthop.,1987
3. National Accounts;Danish Central Bureau of Statistics,1970
4. Hip fractures in the county of Funen, Denmark;Frandsen;Acta Orthop. Scand.,1983
5. Consumption of hospital resources for femoral neck fracture;Holmberg;Acta Orthop. Scand.,1988