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Bharucha,                AE,                Anderson,              B,                Bouchoucha,                M. More            movement with evaluating colonic transit in humans.            Neurogastroenterol Motil. 2019;            31(2): e13541.","DOI":"10.1111\/nmo.13541"},{"key":"2","doi-asserted-by":"publisher","unstructured":"2. M\u00fcller,              M,                Canfora,              EE,                Blaak,              EE.            Gastrointestinal transit time, glucose homeostasis and metabolic health:            modulation by dietary fibers. Nutrients.            2018; 10(3): 275.","DOI":"10.3390\/nu10030275"},{"key":"3","doi-asserted-by":"crossref","unstructured":"3. Rao,              SS,                Kuo,              B,                McCallum,                RW,                Chey,              WD,                DiBaise,              JK,                Hasler,              WL, et al.          Investigation of colonic and whole-gut transit with wireless motility            capsule and radiopaque markers in constipation. Clin            Gastroenterol Hepatol. 2009; 7(5):            537\u201344.","DOI":"10.1016\/j.cgh.2009.01.017"},{"key":"4","doi-asserted-by":"crossref","unstructured":"4. T\u00f6rnblom,                H,                Van Oudenhove,                L,                Sadik,              R,                Abrahamsson,                H,                Tack,              J,                Simr\u00e9n,              M. Colonic            transit time and IBS symptoms: what\u2019s the link?          Am J Gastroenterol. 2012;            107(5): 754\u201360.","DOI":"10.1038\/ajg.2012.5"},{"key":"5","doi-asserted-by":"crossref","unstructured":"5. Klinge,              MW,                Haase,              AM,                Mark,              EB,                Sutter,              N,                Fynne,              LV,                Drewes,              AM, et al.          Colonic motility in patients with type 1 diabetes and gastrointestinal            symptoms. Neurogastroenterol Motil. 2020;            32(12): e13948.","DOI":"10.1111\/nmo.13948"},{"key":"6","doi-asserted-by":"crossref","unstructured":"6. Haase,              AM,                Gregersen,                T,                Christensen,                LA,                Agnholt,              J,                Dahlerup,                JF,                Schlageter,                V, et al.          Regional gastrointestinal transit times in severe ulcerative            colitis. Neurogastroenterol Motil. 2016;            28(2): 217\u201324.","DOI":"10.1111\/nmo.12713"},{"key":"7","doi-asserted-by":"crossref","unstructured":"7. Lembo,              A,                Camilleri,                M. Chronic            constipation. N Engl J Med. 2003;            349(14): 1360\u20138.","DOI":"10.1056\/NEJMra020995"},{"key":"8","doi-asserted-by":"publisher","unstructured":"8. Lacy,              BE,                Mearin,              F,                Chang,              L,                Chey,              WD,                Lembo,              AJ,                Simren,              M, et al.          Bowel disorders. Gastroenterology.            2016; 150: 1393\u2013407.","DOI":"10.1053\/j.gastro.2016.02.031"},{"key":"9","doi-asserted-by":"crossref","unstructured":"9. Choung,              RS,                Rey,              E,                Richard Locke,                G                    3rd, Schleck,                CD,                Baum,              C,                Zinsmeister,                AR, et al.          Chronic constipation and co-morbidities: a prospective population-based            nested case-control study. United European Gastroenterol            J. 2016; 4(1):            142\u201351.","DOI":"10.1177\/2050640614558476"},{"key":"10","doi-asserted-by":"crossref","unstructured":"10. Ihara,              E,                Manabe,              N,                Ohkubo,              H,                Ogasawara,                N,                Ogino,              H,                Kakimoto,              K, et al.          Evidence-based clinical guidelines for chronic constipation            2023. Digestion. 2025;            106(1): 62\u201389.","DOI":"10.1159\/000540912"},{"key":"11","doi-asserted-by":"crossref","unstructured":"11. Tack,              J,                M\u00fcller-Lissner,                S,                Stanghellini,                V,                Boeckxstaens,                G,                Kamm,              MA,                Simren,              M, et al.          Diagnosis and treatment of chronic constipation\u2014a European            perspective. Neurogastroenterol Motil.            2011; 23(8):            697\u2013710.","DOI":"10.1111\/j.1365-2982.2011.01709.x"},{"key":"12","doi-asserted-by":"publisher","unstructured":"12. Bharucha,                AE,                Lacy,              BE. Mechanisms,            evaluation, and management of chronic constipation.            Gastroenterology. 2020;            158(5): 1232\u20131249.e3.","DOI":"10.1053\/j.gastro.2019.12.034"},{"key":"13","doi-asserted-by":"crossref","unstructured":"13. Hinton,              JM,                Lennard-Jones,                JE,                Young,              AC. A ne method            for studying gut transit times using radioopaque markers.            Gut. 1969; 10(10):            842\u20137.","DOI":"10.1136\/gut.10.10.842"},{"key":"14","doi-asserted-by":"publisher","unstructured":"14. Metcalf,                AM,                Phillips,                SF,                Zinsmeister,                AR,                MacCarty,                RL,                Beart,              RW,                Wolff,              BG. Simplified            assessment of segmental colonic transit.            Gastroenterology. 1987;            92(1): 40\u20137.","DOI":"10.1016\/0016-5085(87)90837-7"},{"key":"15","doi-asserted-by":"crossref","unstructured":"15. Abe,              T,                Kunimoto,              M,                Hachiro,              Y,                Ohara,              K,                Inagaki,              M,                Murakami,              M. Rectosigmoid            localization of radiopaque markers for identifying defecation disorders in patients with            chronic constipation: a retrospective cohort study. J            Neurogastroenterol Motil. 2021;            27(3): 419\u201325.","DOI":"10.5056\/jnm20204"},{"key":"16","doi-asserted-by":"publisher","unstructured":"16. Krevsky,              B,                Malmud,              LS,                D\u2019Ercole,              F,                Maurer,              AH,                Fisher,              RS. Colonic            transit scintigraphy. A physiologic approach to the quantitative measurement of colonic            transit in humans. Gastroenterology. 1986;            91(5): 1102\u201312.","DOI":"10.1016\/S0016-5085(86)80004-X"},{"key":"17","doi-asserted-by":"crossref","unstructured":"17. Bonapace,                ES,                Maurer,              AH,                Davidoff,              S,                Krevsky,              B,                Fisher,              RS,                Parkman,              HP. Whole gut            transit scintigraphy in the clinical evaluation of patients with upper and lower            gastrointestinal symptoms. Am J Gastroenterol.            2000; 95(10):            2838\u201347.","DOI":"10.1111\/j.1572-0241.2000.03195.x"},{"key":"18","doi-asserted-by":"crossref","unstructured":"18. Camilleri,                M.            Scintigraphic biomarkers for colonic dysmotility.            Clin Pharmacol Ther. 2010;            87(6): 748\u201353.","DOI":"10.1038\/clpt.2010.23"},{"key":"19","doi-asserted-by":"crossref","unstructured":"19. Camilleri,                M,                Thorne,              NK,                Ringel,              Y,                Hasler,              WL,                Kuo,              B,                Esfandyari,                T, et al.          Wireless pH-motility capsule for colonic transit: prospective comparison            with radiopaque markers in chronic constipation.            Neurogastroenterol Motil. 2010;            22(8): 874\u201382 e233.","DOI":"10.1111\/j.1365-2982.2010.01517.x"},{"key":"20","unstructured":"20. Saad,              RJ,                Hasler,              WL. A technical            review and clinical assessment of the wireless motility capsule.            Gastroenterol Hepatol (N Y). 2011;            7(12): 795\u2013804."},{"key":"21","doi-asserted-by":"crossref","unstructured":"21. Timm,              D,                Willis,              H,                Thomas,              W,                Sanders,              L,                Boileau,              T,                Slavin,              J. The use of a            wireless motility device (SmartPill<sup>\u00ae<\/sup>) for the measurement of gastrointestinal            transit time after a dietary fibre intervention. Br J            Nutr. 2011; 105(9):            1337\u201342.","DOI":"10.1017\/S0007114510004988"},{"key":"22","doi-asserted-by":"crossref","unstructured":"22. Kim,              ER,                Rhee,              PL. How to            interpret a functional or motility test\u2014colon transit study. J            Neurogastroenterol Motil. 2012;            18(1): 94\u20139.","DOI":"10.5056\/jnm.2012.18.1.94"},{"key":"23","doi-asserted-by":"crossref","unstructured":"23. 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Gastrointestinal and colonic segmental transit time evaluated by a single            abdominal x-ray in healthy subjects and constipated patients.            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