TY - CONF AU - Franco Marcia AU - Ferreira P. AU - Cherkin D. AU - Pinto R. AU - Maher C. AU - Ferreira Manuela BT - Primary Care Research on Back Pain International Forum XII. CY - Odense, Denmark LA - eng PP - Odense, Denmark PY - 2012 EP - 183 T2 - Primary Care Research on Back Pain International Forum XII. TI - Patients' preference within randomised clinical trials evaluating interventions for musculoskeletal conditions: A systematic review. ER -