Therapeutic effects of botulinum toxin A at different dilutions in hemifacial spasm patients: a multicenter, randomized, double⁃blind and self-crossover controlled trial

by You-jia LI, Yao-gao FU, Zhi-geng ZHONG, Qiong DING, Ze-feng LI, Xiao-zhong ZHU, Yan HUANG, Wan⁃chun YIN
Published 2013-06-01