RT Article T1 Trends in cocaine use in the general population JF Substance use & misuse VO 32 IS 12/13 SP 1721 OP 1726 A1 Rouse, B. A. LA English YR 1997 UL https://krimdok.uni-tuebingen.de/Record/1639873473 K1 Prävalenz K1 Kokainkonsum