title: [Cocaine use in opiate addicts].
authors.forename: Enriqueta
authors.initials: E
authors.lastname: Ochoa
authors.forename: Estrella
authors.initials: E
authors.lastname: Salvador
authors.forename: Manuel
authors.initials: M
authors.lastname: Alfonso
authors.forename: Maribel
authors.initials: M
authors.lastname: Arránz
mesh_terms: D000328:Adult; D003042:Cocaine; D019970:Cocaine-Related Disorders / Q000150:complications* / Q000453:epidemiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D009293:Opioid-Related Disorders / Q000150:complications* / Q000453:epidemiology
chemical_list: D003042:Cocaine