Farrell, M., & Hall, W. (1998). The Swiss heroin trials: Testing alternative approaches: Prescribed heroin is likely to have a limited role. British Medical Journal.
শিকাগো স্টাইলে সাইটেশনFarrell, Michael, এবং Wayne Hall. The Swiss Heroin Trials: Testing Alternative Approaches: Prescribed Heroin Is Likely to Have a Limited Role. British Medical Journal, 1998.
এমএলএ সাইটেশনFarrell, Michael, এবং Wayne Hall. The Swiss Heroin Trials: Testing Alternative Approaches: Prescribed Heroin Is Likely to Have a Limited Role. British Medical Journal, 1998.
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