Botulinum toxin can spread to some distance of 30–45 mm within the injected muscles on the adjacent muscles, even though these muscles are divided by fasciae. Neck muscles are vulnerable to diffusion of botulinum toxin, and paralysis of the incorrect muscles results in dysphonia, dysphagia or dystonia. Gentle and https://botulinum-toxins74962.ouyawiki.com/1551440/the_basic_principles_of_botulinum_toxins_formula