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: Psychiatry
Depot preparations are available for: 
Select and explain. 
A. Haloperidol, B. Risperidone, C. Olanazepine, D. All
D: All
Answer: D: All 
Explanation: A, B, C .e. Haloperidol, Risperidone, Olanazepine