Chronic constipation and co-morbidities: A prospective population-based nested case-control study. Choung RS, Rey E, Richard Locke G, Schleck CD, Baum C, Zinsmeister AR, Talley NJ United European Gastroenterol J. 2016 Feb; 4(1):142-51. Epub 2015 Nov 11. PMID: 26966534. Abstract CommentRecommendBookmarkWatch