title: Letter: chronic constipation - a warning sign for oxidative stress?
authors.affiliation: College of Life Sciences, Northwest University, Xi'an, Shaanxi, China. fons@nwu.edu.cn.|National Engineering Research Center for Miniaturized Detection Systems, Xi'an, Shaanxi, China. fons@nwu.edu.cn.
authors.forename: A
authors.identifier: http://orcid.org/0000-0003-2918-298X
authors.initials: A
authors.lastname: Vermorken
authors.affiliation: Internal Medicine and Nutrition, University of Strasbourg, Strasbourg, France.
authors.forename: E
authors.initials: E
authors.lastname: Andrès
authors.affiliation: College of Life Sciences, Northwest University, Xi'an, Shaanxi, China.|National Engineering Research Center for Miniaturized Detection Systems, Xi'an, Shaanxi, China.
authors.forename: Y
authors.initials: Y
authors.lastname: Cui
mesh_terms: D015179:Colorectal Neoplasms / Q000453:epidemiology*; D003248:Constipation / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male