Bibliografia

1. Roland M, Morris R. A study of the natural history of back pain. Part I: development of a reliable and sensitive measure of disability in low-back pain. Spine 1983; 8(2): 141-4.

2. Padua R. Padua L. Ceccarelli E. Romanini E. Zanoli G. Bondi R. Campi A. Italian version of the Roland Disability Questionnaire, specific for low back pain: cross-cultural adaptation and validation. Eur Spine J 2002; 11: 126-9.