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Drug substitution therapy :  success and limitations of the methadone and buphrenorphine maintenance programmes  [article] / 
Mahmood Nazar Mohamed and Muhamad Dzahir Kasa. 
 - Putrajaya :  Agensi Antidadah Kebangsaan,  2007. 
<br/><br/> PTSL : Koleksi Dokumen.