Herbert F. Helander, Lars Fändriks: Surface area of the digestive tract – revisited. In: Scandinavian Journal of Gastroenterology. Bd. 49, Nr. 6, 2014, S. 681–689, doi:10.3109/00365521.2014.898326.
B. Waclawiková, A. Codutti, K. Alim, S. El Aidy: Gut microbiota-motility interregulation: insights from in vivo, ex vivo and in silico studies. Gut Microbes. 2022 Jan-Dec;14(1):1997296, PMID 34978524.