4Bennett E J, Piesse C , Palmer K,et al. Functional gastrointestinaldisorders : psychological,social,and somatic features [ J] . Gut,1998,42(3):414 -420.
5Talley N J,Phillips S F, Bruce B ,et al. Relation among personal-ity and symptoms in nonulcer dyspepsia and the irritable bowel syn-drome [J]. Gastroenterology, 1990,99(2) :327 - 333.
6Enck P,Kaiser C,Felber M,et a. 1 Circadian variation of rectal sen-sitivity and gastrointest inal peptides in healthy volunteers [ J]. Neu-rogastroentero Motil ,2009 ,21(1) :52 - 58.