Botulinum toxin can spread into a length of thirty–forty five mm in the injected muscles towards the adjacent muscles, although these muscles are separated by fasciae. Neck muscles are at risk of diffusion of botulinum toxin, and paralysis of the incorrect muscles brings about dysphonia, dysphagia or dystonia. Delicate https://botulinum-toxins39517.amoblog.com/botulinum-toxins-an-overview-57458211