title: Cocaine substitutes.
mesh_terms: D002110:Caffeine; D003042:Cocaine; D004340:Drug Contamination; D004809:Ephedrine; D006801:Humans; D019966:Substance-Related Disorders; D014030:Tobacco, Smokeless
chemical_list: D002110:Caffeine; D004809:Ephedrine; D003042:Cocaine