Validation of the SQUASH Physical Activity Questionnaire in a Multi-Ethnic Population: The HELIUS Study. by M Nicolaou, M G J Gademan, M B Snijder, R H H Engelbert, H Dijkshoorn, C B Terwee, K Stronks

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Psychometric properties and norm scores of the sleep self report in Dutch children by L. M. H. Steur, M. A. Grootenhuis, C. B. Terwee, S. Pillen, N. G. J. Wolters, G. J. L. Kaspers, R. R. L. van Litsenburg

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COSMIN Risk of Bias tool to assess the quality of studies on reliability or measurement error of outcome measurement instruments: a Delphi study by L. B. Mokkink, M. Boers, C. P. M. van der Vleuten, L. M. Bouter, J. Alonso, D. L. Patrick, H. C. W. de Vet, C. B. Terwee

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Graded response model fit, measurement invariance and (comparative) precision of the Dutch-Flemish PROMIS® Upper Extremity V2.0 item bank in patients with upper extremity disorders... by C. M. Lameijer, S. G. J. van Bruggen, E. J. A. Haan, D. F. P. Van Deurzen, K. Van der Elst, V. Stouten, A. J. Kaat, L. D. Roorda, C. B. Terwee

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