RT Article T1 Harm reduction or a catalyst for new harms?: The impact of smoke-free prison policy on prisoners and the prison regime JF Prison service journal VO 254 SP 39 OP 45 A1 Gray, Paul A1 Ralphs, Robert A2 Ralphs, Robert LA English YR 2021 UL https://krimdok.uni-tuebingen.de/Record/1916865976 K1 Strafvollzug K1 Rauchen K1 Verbot K1 Historische Entwicklung K1 Strafvollzugsforschung