title: Methotrexate/nitrous-oxide toxic interaction in perioperative chemotherapy for early breast cancer.
mesh_terms: D000368:Aged; D000758:Anesthesia / Q000009:adverse effects; D001943:Breast Neoplasms / Q000188:drug therapy* / Q000601:surgery; D004347:Drug Interactions; D006801:Humans; D008408:Mastectomy; D008727:Methotrexate / Q000009:adverse effects*; D009609:Nitrous Oxide / Q000009:adverse effects*
chemical_list: D009609:Nitrous Oxide; D008727:Methotrexate