Francesca Bonetti, Stefania Curti, Stefano Mattioli, Raffaele Mugnai, Carla Vanti, Francesco S Violante and Paolo Pillastrini*
* Corresponding author: Paolo Pillastrini paolo.pillastrini@unibo.it
BMC Musculoskeletal Disorders 2010, 11:285 doi:10.1186/1471-2474-11-285
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