This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Botulinum toxin is used in - 
Select and explain. 
A. Focal dystonia, B. Myasthenia gravis, C. Cerebellare ataxia, D. Hypotonia
A: Focal dystonia
Answer: A: Focal dystonia 
Explanation: None