Relationship between initial archwire materials and pain at the initial stage of orthodontic treatment: a systematic review and network Meta-analysis
Chang Liu, Yan Wang, Weilin Pan, Changhao Yu, Jingyuan Huang, Chengge Hua
West China Journal of Stomatology . 2018, (3): 296 -300 .  DOI: 10.7518/hxkq.2018.03.013