00785nam a22002537i 450000500170000000800410001704100080005810000160006624501240008265000300020665000220023665000160025865000130027465000130028765000150030065000290031565000310034465000150037565000250039065300200041565300150043565500150045077300660046520180702112733.0990628s1999    sp     gr     000 0 spa c  aeng1 aLEWIS, D.C.10aACCESS TO NARCOTIC ADDICTION TREATMENT AND MEDICAL CARE: PROSPECTS FOR THE EXPANSION OF METHADONE MAINTENANCE TREATMENT14aActitudes institucionales14aDrogodependencias14aEvolución14aMedicina14aMetadona14aOpiáceos14aProgramas de bajo umbral14aProgramas de mantenimiento14aTendencias14aTratamiento médico10aAcción social10aAdicciones 4aDocumental0 tJOURNAL OF ADDICTIVE DISEASESgVol. 18, no. 2 (1999), p. 5-21