@article{article28205753,
title   = {Efficacy of the use of two simultaneously TENS devices for fibromyalgia pain},
author = {Lauretti, Gabriela Rocha and Chubaci, Eliana Fazuoli and Mattos, Anita Leocadia de},
year = {2013},
doi = {10.1007/s00296-013-2699-y},
journal   = {Rheumatology International}
}