title: Letter: Uses and usefulness of penicillamine.
mesh_terms: D004361:Drug Tolerance; D005029:Ethylenediamines / Q000627:therapeutic use; D006527:Hepatolenticular Degeneration / Q000188:drug therapy*; D006801:Humans; D010396:Penicillamine / Q000009:adverse effects / Q000627:therapeutic use*; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D005029:Ethylenediamines; D010396:Penicillamine