00429nam a2200133   450000100060000010000410000610100080004720000980005546100520015360600430020570000190024870100190026785200090028613631  a20010326u           y0pory50      ba  aeng  aCan medical treatment reduce crime amongst young heroin users ?fGraham Jarvis, Howard Parker  vN.28d1990pp.29-32tResearch BulletincLondres  aHEROINOMANO  CRIME  DROGA  REINO UNIDO  aJARVISbGraham  aPARKERbHoward  jP.10