Effect of Prophylactic Low Level Laser Therapy on Oral Mucositis: A Systematic Review and Meta-Analysis Oberoi, Sapna ; Zamperlini–Netto, Gabriele ; Beyene, Joseph ; Treister, Nathaniel S. ; Sung, Lillian Abstract Publication: PLoS ONE Pub Date: September 2014 DOI: 10.1371/journal.pone.0107418 Bibcode: 2014PLoSO...9j7418O