AUTHOR=Kingsley J. Derek , Demchak Timothy , Mathis Reed TITLE=Low-level laser therapy as a treatment for chronic pain JOURNAL=Frontiers in Physiology VOLUME=5 YEAR=2014 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2014.00306 DOI=10.3389/fphys.2014.00306 ISSN=1664-042X