TY - BOOK AU - V. Navaratnam. AU - Retka R. L. AU - Hughes,P.H. ED - Universiti Sains Malaysia. ED - United Nation. TI - Opiate drug consumption patterns in Asia: report of a regional workshop PY - 1993/// CY - Pulau Pinang PB - The National Drug Research Centre, Universiti Sains Malaysia KW - Drug abuse KW - Congresses KW - Malaysia KW - Opium abuse KW - Opium trade ER -