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Acetylcholinesterase inhibitor responsive myasthenia in a Filipino male with X-linked recessive spinal and bulbar muscular atrophy. Neurol Sci 42: 4317-4320, 2021.","DOI":"10.1007\/s10072-021-05358-0"},{"key":"13","doi-asserted-by":"crossref","unstructured":"13. Ji G, Huang R, Zhou X, et al. Kennedy's disease presented with mastication fatigue combined with positive titin antibody: a case report. BMC Neurol 22: 425, 2022.","DOI":"10.1186\/s12883-022-02971-0"},{"key":"14","doi-asserted-by":"crossref","unstructured":"14. Sumikura H, Hatayama N, Fujioka T, et al. A case of SBMA presenting with myasthenic syndrome limited to a dropped head. Neurol Clin Neurosci 12: 376-378, 2024.","DOI":"10.1111\/ncn3.12831"},{"key":"15","doi-asserted-by":"crossref","unstructured":"15. Benatar M. A systematic review of diagnostic studies in myasthenia gravis. Neuromuscul Disord 16: 459-467, 2006.","DOI":"10.1016\/j.nmd.2006.05.006"},{"key":"16","doi-asserted-by":"crossref","unstructured":"16. 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