RT Article T1 Powder cocaine and crack use in the United States: An examination of risk for arrest and socioeconomic disparities in use JF Drug and alcohol dependence VO 149 SP 108 OP 116 A1 Palamar, Joseph J. A1 Weitzman, Michael 1946-1998 A1 Cleland, Charles M. A1 Ompad, Danielle C. A1 Davies, Shelby A2 Weitzman, Michael 1946-1998 A2 Cleland, Charles M. A2 Ompad, Danielle C. A2 Davies, Shelby LA English YR 2015 UL https://krimdok.uni-tuebingen.de/Record/1912657201 DO 10.1016/j.drugalcdep.2015.01.029