1[3]Jonathan M,Kewin C,Nicholas J,et al.Relation of colonic transit to functional bowel disease in elderly people:a populational based study[J].Am Geriatr Soc,1988,46:83
2[4]Herve S,Leroi AM,Fortunet H,et al.Effects of polysthylene glycol 4 000 on 24 h manometric recordings of colonocmotor activity[J].Eur J Castroenterol Hepatol,2001,13:647-654