Lopes, T. ., Silva, W. ., Ribeiro, S. ., Figueiredo, C. ., Campbell, F. ., Daltro, G. ., … Baptista, A. . Does Transcranial Direct Current Stimulation Combined with Peripheral Electrical Stimulation Have an Additive Effect in the Control of Hip Joint Osteonecrosis Pain Associated with Sickle Cell Disease? A Protocol for a One-Session Double Blind,.. Frontiers in Human Neuroscience, 11, 633. https://doi.org/10.3389/fnhum.2017.00633 (Original work published 2017)