1. The irritable bowel syndrome;DA, I.Drossman; DW, Powell; JT, Sessions;Gastroenterology,1977
2. Frequency of 'functional' gastrointestinal disorders;Ferguson, A.; Sircus, W.; Eastwood, M.A.;Lancet,1977
3. Functional bowel disorders in apparently healthy people;Thompson, W.G.; Keaton, K.W.;Gastroenterology,1980
4. Bowel pattems among subjects not seeking health care;Drossman, D.A.; Sandler, R.S.; McKee, D.C.;Gastroenterology,1982
5. The irritable bowel syndrome;Fielding, J.F.;Part I. Clinical spectrum. Clinical Gastroenterology,1977