RT Article T1 Cocaine in Britain: Prevalence, problems, and treatment responses JF Journal of drug issues VO 28 IS 1 SP 225 OP 241 A2 Marsden, John A2 Griffiths, Paul A2 Farrell, Michael A2 Gossop, Michael A2 Strang, John LA English YR 1998 UL https://krimdok.uni-tuebingen.de/Record/1639821589 K1 England K1 Kokainkonsum