@article{article392f71fe,
title   = {Cross-cultural adaptation and validation of a Brazilian Portuguese version of the chronic pain grade},
author = {Bracher, Eduardo S. B. and Pietrobon, Ricardo and Eluf-Neto, José},
year = {2010},
doi = {10.1007/s11136-010-9637-1},
journal   = {Quality of Life Research}
}