6Preston DM, et al. Dig Dis and Sciences 1985:301:413.
7Bleijenbeng G. Dis colon Rectum 1987: 30 : 108.
8Wasserman IF. Dis colon Rectum 1964, 7:87.
9Mr. Gijs Bleijenberg,Han C. Kuijpers M.D.. Treatment of the spastic pelvic floor syndrome with biofeedback[J] 1987,Diseases of the Colon & Rectum(2):108～111
10Han C. Kuijpers M.D.,Gijs Bleijenberg. The spastic pelvic floor syndrome[J] 1985,Diseases of the Colon & Rectum(9):669～672
