00719nam a2200169   4500001000700000100004100007101000800048200005000056210004200106215001700148300001600165330022100181606001000402606002400412606001600436710009700452389842  a20101012d1993       y0pory50      ba  aeng  aCrack cocaine - historical and social aspects  aLondoncStrategic Research Unitd1993  a11 p.d30 cm  a(DCITE 65).  aIntroduction. The history of crack misuse in the United Kingdom. Reference sources. Social issues. Crack addicts. The US perspective. Health problems posed by crack cocaine. Black community issues. Reference sources.  aCRACK  aTOXICODEPENDÊNCIA  aREINO UNIDO  aREINO UNIDObNational Criminal Intelligence Service. Drugs Division. Strategic Research Unit