Bengnér U, Johnell O, Redlund-Johnell I (February 1986). "Epidemiology of ankle fracture 1950 and 1980. Increasing incidence in elderly women". Acta Orthopaedica Scandinavica. 57 (1): 35–7. doi:10.3109/17453678608993211. PMID3083643.
Court-Brown CM, McBirnie J, Wilson G (February 1998). "Adult ankle fractures--an increasing problem?". Acta Orthopaedica Scandinavica. 69 (1): 43–7. doi:10.3109/17453679809002355. PMID9524517.
Bengnér U, Johnell O, Redlund-Johnell I (February 1986). "Epidemiology of ankle fracture 1950 and 1980. Increasing incidence in elderly women". Acta Orthopaedica Scandinavica. 57 (1): 35–7. doi:10.3109/17453678608993211. PMID3083643.
Court-Brown CM, McBirnie J, Wilson G (February 1998). "Adult ankle fractures--an increasing problem?". Acta Orthopaedica Scandinavica. 69 (1): 43–7. doi:10.3109/17453679809002355. PMID9524517.