Progressive Encephalomyelitis with Rigidity and Myoclonus and Myasthenia Gravis Comorbid Status with Thymoma. (3rd September 2021) - Ogawa, Takashi; Ogaki, Kotaro; Daida, Kensuke; Nishimaki, Takayasu; Ando, Maya; Kawajiri, Sumihiro; Wada, Ryo; Noda, Kazuyuki; Hattori, Nobutaka; Okuma, Yasuyuki