Nordell, E., Jarnlo, G.-B., Jetsén, C., Nordström, L., & Thorngren, K.-G. (2000). Accidental falls and related fractures in 65-74 year olds: A retrospective study of 332 patients. Acta Orthopaedica, 71(2), 175–179. https://doi.org/10.1080/000164700317413157