title: Clinical trial of carbidopa-L-dopa combination for cocaine abuse.
mesh_terms: D002230:Carbidopa / Q000627:therapeutic use*; D003042:Cocaine; D004359:Drug Therapy, Combination; D006801:Humans; D007980:Levodopa / Q000627:therapeutic use*; D019966:Substance-Related Disorders / Q000188:drug therapy / Q000534:rehabilitation*
chemical_list: D007980:Levodopa; D003042:Cocaine; D002230:Carbidopa