title: Letter: Nitroprusside and cyanide.
mesh_terms: D000818:Animals; D003486:Cyanides / Q000097:blood* / Q000633:toxicity; D005292:Ferricyanides / Q000627:therapeutic use*; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D051379:Mice; D009599:Nitroprusside / Q000627:therapeutic use*
chemical_list: D003486:Cyanides; D005292:Ferricyanides; D006454:Hemoglobins; D009599:Nitroprusside