RT Article T1 Crack cocaine use - a review of prevalence and adverse effects JF American journal of drug and alcohol abuse VO 17 IS 1 SP 13 OP 26 A1 Smart, R. G. LA English YR 1991 UL https://krimdok.uni-tuebingen.de/Record/1640149694 K1 Crack K1 Drogenmissbrauch