Sairat, S., S. Mitrirattanakul, A. Thakkinstian, S. Rattanasiri, T. Tengrungsun, T. Itthikul, and N. Unwanatham. “Efficacy of botulinum toxin for the management of orofacial pain and dysfunction : A Systematic review and Meta-analysis”. Mahidol Dental Journal, vol. 40, no. 2, Aug. 2020, pp. 121-36, https://he02.tci-thaijo.org/index.php/mdentjournal/article/view/208852.