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In other instances ring contractions moved progressively along the bowel wall, temporarily occluding the necks of any diverticula they passed. Bowel contents were seen to be transported ahead of the advancing constrictions at varying rates and in either direction.<\/jats:p>","DOI":"10.1136\/gut.12.5.350","type":"journal-article","created":{"date-parts":[[2007,9,18]],"date-time":"2007-09-18T17:41:31Z","timestamp":1190137291000},"page":"350-355","source":"Crossref","is-referenced-by-count":37,"title":["Movement of segmental constrictions in the human colon"],"prefix":"10.1136","volume":"12","author":[{"given":"James A.","family":"Ritchie","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[1971,5,1]]},"reference":[{"key":"ref_1","first-page":"735","article-title":"Reverse peristalsis in bowel and stomach","volume":"12","author":"Alvarez, W.C.","year":"1967","unstructured":"Alvarez, W. C. (1967). 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