AUTHOR=Wild Imane , Dahan Albert TITLE=A prospective, randomized, controlled, double-blind, multi-center study to evaluate the efficacy and safety of a blue light device for the treatment of chronic back pain JOURNAL=Frontiers in Pain Research VOLUME=5 YEAR=2024 URL=https://www.frontiersin.org/journals/pain-research/articles/10.3389/fpain.2024.1444401 DOI=10.3389/fpain.2024.1444401 ISSN=2673-561X