title: Letter: Watch out for combinations.
mesh_terms: D007464:Clioquinol / Q000009:adverse effects*; D004338:Drug Combinations; D006801:Humans; D006854:Hydrocortisone / Q000009:adverse effects*; D009896:Optic Atrophy / Q000139:chemically induced*
chemical_list: D004338:Drug Combinations; D007464:Clioquinol; D006854:Hydrocortisone