Effect of Botulinum Toxin Injection Intervals on the Irreversibility of Targeted Muscle Paralysis: An Electromyographic Study
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Background: Botulinum neurotoxin A (BoNT-A) is widely used clinically, yet its temporary effects require repeated injections that increase cost and inconvenience. Claims that repeated BoNT-A use alters efficacy lack rigorous eval... ...
