He, M., Zhang, B., Shen, N., Wu, N., & Sun, J. (2018). A systematic review and meta-analysis of the effect of low-level laser therapy (LLLT) on chemotherapy-induced oral mucositis in pediatric and young patients. European Journal of Pediatrics, 177, 7-17.
Low sample sizes
LLLT is effective to reduce mucositis and associated pain in pediatric patients with cancer overall. Despite of the deliveries of LLLT vary among the studies, it has been consistent to show the reduction of mucositis in pediatric population.