Effectiveness of intra-thecal methotrexate in refractory Anti-N-methyl-d-aspartate receptor encephalitis oleh Raid Hommady, Abdullah Alsohibani, Ruba Alayed, Abdulaziz Alshehri, Ahlam AbuMelha, Lama Aljomah, Khalid Hundallah, Mohammed Almuqbil, Waleed Altuwaijri, Ahmad Alrumayyan, Muhammad Talal Alrifai, Duaa Mohammed Baarmah