Brunelli, C., Zecca, E., Martini, C., Campa, T., Fagnoni, E., Bagnasco, M., . . . Caraceni, A. (2010). Comparison of numerical and verbal rating scales to measure pain exacerbations in patients with chronic cancer pain. BioMed Central.

Brunelli, Cinzia, Ernesto Zecca, Cinzia Martini, Tiziana Campa, Elena Fagnoni, Michela Bagnasco, Luigi Lanata, and Augusto Caraceni. Comparison of Numerical and Verbal Rating Scales to Measure Pain Exacerbations in Patients With Chronic Cancer Pain. BioMed Central, 2010.

Brunelli, Cinzia, et al. Comparison of Numerical and Verbal Rating Scales to Measure Pain Exacerbations in Patients With Chronic Cancer Pain. BioMed Central, 2010.