{Reference Type}: Letter {Title}: Which drug would be more effective in treating patients with leptomeningeal metastases from breast cancer: intrathecal thiotepa or methotrexate? {Author}: Altundag K; {Journal}: Med Oncol {Volume}: 41 {Issue}: 8 {Year}: 2024 Jun 29 {Factor}: 3.738 {DOI}: 10.1007/s12032-024-02439-w