BibTex format
@article{Hughes:2018:10.1002/ejp.1238,
author = {Hughes, SW and Ali, M and Sharma, P and Insan, N and Strutton, PH},
doi = {10.1002/ejp.1238},
journal = {European Journal of Pain},
pages = {1494--1501},
title = {Frequency-dependent top-down modulation of temporal summation by anodal transcranial direct-current stimulation of the primary motor cortex in healthy adults},
url = {http://dx.doi.org/10.1002/ejp.1238},
volume = {22},
year = {2018}
}