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ArchPhysMedRehabil  (2011)

Test-retest reliability of isometric and isokinetic knee extension and flexion in patients with fibromyalgia: evaluation of the smallest real difference

Ravens-Sieberer, U.; Wille, N.; Badia, X.; Bonsel, G.; Burström, K.; Cavrini, G.; Devlin, N.; Egman, A-Ch.; Gusi, N.; Herdman, M.; Jeslma, J.; Kind, P.; Olivares, PR.; Scalone, L.; Greiner, W.