<qa>  What was the name of the group that administered Shigyakusan?Shigyakusan, a Kampo medicine, was administered to each of N line positive patients, of IBS diagnosed by Rome III, of no IBS by Rome III, and of MUPS who have not abdominal symptoms of IBS in this study. The author enrolled 110 out-patients who were treated by shigyakusan at the Corporate Nakatani Clinic for two years from March 2013 to February 2015. 