Anti-MuSK Antibody-positive Myasthenia Gravis Mimicking Amyotrophic Lateral Sclerosis, Natsumi Furuta,Kunihiko Ishizawa,Makoto Shibata,Setsuki Tsukagoshi,Shun Nagamine,Kouki Makioka,Yukio Fujita,Masaki Ikeda,Shunsuke Yoshimura,Masakatsu Motomura,Koichi Okamoto,Yoshio Ikeda, 2015, INTERNAL MEDICINE, 54, 19, 2497, 2501