title: Cyanide antagonist.
mesh_terms: D003486:Cyanides / Q000037:antagonists & inhibitors*; D006879:Hydroxocobalamin / Q000627:therapeutic use; D014805:Vitamin B 12 / Q000009:adverse effects*
chemical_list: D003486:Cyanides; D014805:Vitamin B 12; D006879:Hydroxocobalamin