1. Epidemiology of osteoporosis;Kanis;Bone,1992
2. Hip fractures in the elderly: a world-wide projection;Cooper;Osteoporosis Int,1992
3. Age and sex-specific incidence of femoral neck and trochanteric fractures;Hedland;Acta Orthop Scand,1992
4. Fractured neck of femur;Working Party,1989
5. The incidence of fracture of the proximal femur in two million Canadians from 1972 to 1984;Martin;Clin Orthop,1991