title: ABC of poisoning: opioids.
mesh_terms: D003000:Clonidine / Q000627:therapeutic use; D006801:Humans; D009270:Naloxone / Q000009:adverse effects*; D009294:Narcotics / Q000506:poisoning*
chemical_list: D009294:Narcotics; D009270:Naloxone; D003000:Clonidine