Premixed nitrous oxide/oxygen analgesia for removal of vacuum assisted closure dressing: a randomized, double-blinded placebo-controlled trial

Y Yihui Xing R Ran Lv C Chen Xie W Wenjuan Cao J Jiayi Dou X Xiaochen Jiang W Weifeng Wang (Co-Innovation Center for Sustainable Forestry in Southern China, College of Ecology and Environment, Nanjing Forestry University) Z Ziyang Wang (State Key Laboratory of Flexible Electronics (LoFE) & Institute of Flexible Electronics (IFE)) Z Zhiguo Ding X Xueling Qiu L Lu Tang (State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Qianjin Avenue, Changchun 130012, P. R. China)