Rosengren, B.E., Ahlborg, H.G., Gärdsell, P., Sernbo, I., Daly, R.M., Nilsson, J.- Åke and Karlsson, M.K. 2010. Bone mineral density and incidence of hip fracture in Swedish urban and rural women 1987–2002. Acta Orthopaedica. 81, 4 (Aug. 2010), 453–459. DOI:https://doi.org/10.3109/17453674.2010.492762.