Bibliografia

1. Monticone M, Baiardi P, Ferrari S, et al. Development of the Italian version of the Oswestry Disability Index (ODI-I): A cross-cultural adaptation, reliability, and validity study. Spine (Phila Pa 1976) 2009; 34(19): 2090-5.
2. Brokelman RB, Haverkamp D, van Loon C, et al. The validation of the visual analogue scale for patient satisfaction after total hip arthroplasty. Eur Orthop Traumatol 2012; 3(2): 101-5.