1. Shemerovskii K.А. Constipation as problem: a chronophysiological approach. Vrach = The Doctor. 2011;(10):19–24. (In Russ.) Available at: https://elibrary.ru/item.asp?id=16757899.
2. Lazebnik L.B., Masharova A.A., Bordin D.S., Vasilev Yu.V., Tkachenko E.I., Abdulkhakov R.A. et al. Multicenter study “Epidemiology of gastroesophageal reflux disease in Russia” (MAGRE): First results. Ehksperimentalnaya i klinicheskaya Gastroehnterologiya = Experimental and clinical gastroenterology. 2009;(6):4–12. (In Russ.) Available at: https://gastroscan.ru/literature/authors/10979.
3. Parfenov A.I., Indeykina L.KH., Belyaeva A.A., Pavlov M.V., Orlova N.V., Atroshchenko A.O. et al. Chronic constipation. Moscow: Prima Print; 2016. 52 p. (In Russ.) Available at: https://gastroscan.ru/literature/authors/9932.
4. Hegglin R. Differentialdiagnose innerer Krankheiten. Stuttgart: Thieme; 1993. 953 p.
5. Shemerovsky K.A., Seliverstov P.V., Shaydullina S.R., Berezina T.P., Yurov A.Yu., Fedorets V.N.. The dependence of circadian defecation rhythm regularity on the position of the rhythm’s acrophase in the circadian cycle. Rossiiskie Biomedicinskie Issledovania = Russian Biomedical Research. 2019;4(1):31–34. (In Russ.) Available at: https://journals.indexcopernicus.com/search/article?articleId=2264770.