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Rosengren, Björn E., Henrik G. Ahlborg, Per Gärdsell, Ingemar Sernbo, Robin M. Daly, Jan-Åke Nilsson, och Magnus K. Karlsson. Bone Mineral Density and Incidence of Hip Fracture in Swedish Urban and Rural Women 1987–2002. Informa Healthcare, 2010.

Rosengren, Björn E., et al. Bone Mineral Density and Incidence of Hip Fracture in Swedish Urban and Rural Women 1987–2002. Informa Healthcare, 2010.