@article{abreu_santos_ventura_2011,  title={Analgesic effectiveness of the association of transcutaneous electrical nerve stimulation and cryotherapy for chronic low back pain},  volume={12},  ISSN={1806-0013},  url={https://doi.org/10.1590/S1806-00132011000100006},  DOI={10.1590/S1806-00132011000100006},  number={1},  journal={Revista Dor},  publisher={Sociedade Brasileira para o Estudo da Dor},  author={Abreu, Eliziete Almeida de and Santos, Jean Douglas Moura dos and Ventura, Patrícia Lima},  year={2011},  month={Jan},  pages={23–28} }