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««Fitness» | FundéuRAE». www.fundeu.es. 16 de noviembre de 2017. Consultado el 1 de febrero de 2022.
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de Groot, Gudrun Cathrine Lindgren; Fagerström, Lisbeth (14 de junio de 2010). «Older adults' motivating factors and barriers to exercise to prevent falls». Scandinavian Journal of Occupational Therapy18 (2): 153-160. PMID20545467. doi:10.3109/11038128.2010.487113.