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J Clin Neurosci 2020; 73: 321\u20133.","DOI":"10.1016\/j.jocn.2019.12.055"},{"key":"12","doi-asserted-by":"crossref","unstructured":"12) Kamimura G, Ueda K, Takeda A, et al. A case of ectopic cervical thymoma with myasthenia gravis mimicking a parathyroid tumour. Respirol Case Rep 2022; 10: e01052.","DOI":"10.1002\/rcr2.1052"},{"key":"13","doi-asserted-by":"crossref","unstructured":"13) Hirokawa M, Sawada K, Fujishima N, et al. Long-term response and outcome following immunosuppressive therapy in thymoma-associated pure red cell aplasia: a nationwide cohort study in Japan by the PRCA collaborative study group. Haematologica 2008; 93: 27\u201333.","DOI":"10.3324\/haematol.11655"},{"key":"14","doi-asserted-by":"crossref","unstructured":"14) Zhang S, Wu L, Li Z, et al. An unusual ectopic thymoma clonal evolution analysis: a case report. 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