005820000a22001570004500003000900000005001700009264003100026100002200057245006400079300000900143500013200152041000800284650005600292650005300348651002300401PH-MaWHO20241108112716.0  aBangkok : b[s.n.],c1979.  aSuwanwela, Charas  aDrug dependence in Southeast Asia : a perspective overview.  a33p.  aPaper presented at the WHO Inter-Regional Workshop on Prevention and Treatment of Drug Dependence, Bangkok, 5-10 November 1979.  aeng  aSubstance-related disordersxPrevention and control  aOpioid-related disordersxPrevention and control  aAsia, Southeastern