**Sphincter EMG for Diagnosing Multiple System Atrophy and Related Disorders**

Ryuji Sakakibara, Tomoyuki Uchiyama, Tatsuya Yamamoto, Fuyuki Tateno, Tomonori Yamanishi, Masahiko Kishi and Yohei Tsuyusaki

Additional information is available at the end of the chapter

http://dx.doi.org/10.5772/45880
