60
Participants
Start Date
December 1, 2016
Primary Completion Date
December 1, 2023
Study Completion Date
January 1, 2024
Botulinum toxin type A
Local injection of botulinum toxin type A was given at the time of enrollment
the First Affiliated Hospital of Anhui University of Traditional Chinese Medicine, #117 Meishan Street, Shushan District Hefei 230037, China, Hefei
The First Affiliated Hospital of Anhui University of Traditional Chinese Medicine
OTHER