title: Letter: Impaired colour vision in diagnosis of digitalis intoxication.
mesh_terms: D003119:Color Perception Tests; D003117:Color Vision Defects / Q000139:chemically induced / Q000175:diagnosis*; D004071:Digitalis Glycosides / Q000506:poisoning*; D006801:Humans
chemical_list: D004071:Digitalis Glycosides