Bergström, U., Jonsson, H., Gustafson, Y., Pettersson, U., Stenlund, H., & Svensson, O. (2009). The hip fracture incidence curve is shifting to the right: A forecast of the age-quake. Informa Healthcare.

Bergström, Ulrica, Håkan Jonsson, Yngve Gustafson, Ulrika Pettersson, Hans Stenlund, and Olle Svensson. The Hip Fracture Incidence Curve Is Shifting to the Right: A Forecast of the Age-quake. Informa Healthcare, 2009.

Bergström, Ulrica, et al. The Hip Fracture Incidence Curve Is Shifting to the Right: A Forecast of the Age-quake. Informa Healthcare, 2009.