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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Which of the following drug is most commonly used world wide in maintenance doses for opioid dependence?
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The correct answer is  Ans. is 'b' i.e., Methadone Methodone maintenance is the most common form of pharmacoligical treatment for opioid dependence.