title: Letter: Allopurinol.
mesh_terms: D000493:Allopurinol / Q000009:adverse effects / Q000627:therapeutic use*; D000970:Antineoplastic Agents / Q000627:therapeutic use; D001855:Bone Marrow Diseases / Q000139:chemically induced; D003520:Cyclophosphamide / Q000627:therapeutic use; D004359:Drug Therapy, Combination; D006801:Humans
chemical_list: D000970:Antineoplastic Agents; D000493:Allopurinol; D003520:Cyclophosphamide