Faria, Wellerson Costa, Irlei dos Santos, Alex arantes rodrigues, and Anselmo batista martins. 2009. “Evaluation of the Effectiveness of TENS and Electroacunpuncture in Low Back Pain”. ConScientiae Saúde 7 (4):519-24. https://doi.org/10.5585/conssaude.v7i4.965.