RT Article T1 Depression in Opioid Users Varies with substance use status JF American journal of drug and alcohol abuse VO 13 IS 4 SP 375 OP 386 A1 Maddux, James F. A2 Desmond, David P. A2 Costello, Raymond LA English YR 1987 UL https://krimdok.uni-tuebingen.de/Record/1633084310 K1 Opiate K1 Drogenmißbrauch K1 Abhängige