Jansen, Michael ; Doornebosch, Arno J ; de Waal, Margot Wm... Jansen , M , Doornebosch , A J , de Waal , M W , Wattel , E M , Visser , D , Spek , B & Smit , E B 2021 , ' Psychometrics of the observational scales of the Utrecht Scale for Evaluation of Rehabilitation (USER) : Content and structural validity, internal consistency and reliability ' , Archives of Gerontology and Geriatrics , vol. 97 , pp. 104509 . https://doi.org/10.1016/j.archger.2021.104509.
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