9AL-Chaer E D, Kaw asak iM, Pasrcha P J. A new model of chronic visceral hypersensitivity in adult rats induced by colon irri- tation during postnatal development [ J ]. Gastroentcrology, 2000, 119(5) :1276 - 1285.
10Ragnarsson G, Hallbook O, Bodemar G. Abdominal symptoms and anorectal function in health and irritable bowel syndrome [ J ]. Scand Gastroentero1,2001,36( 8 ) :833 - 842.