[Cocaine use in opiate addicts].
Ochoa
Enriqueta
E
Salvador
Estrella
E
Alfonso
Manuel
M
Arránz
Maribel
M
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
D003042:Cocaine