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MLA Citation
Vasilis Zampelis et al.. “A simple visual analog scale for pain is as responsive as the WOMAC, the SF-36, and the EQ-5D in measuring outcomes of revision hip arthroplasty.” Acta orthopaedica, vol. 85, 2014, pp. 128–132. http://access.bl.uk/ark:/81055/vdc_100050956057.0x000010