DAHLGREN , S. and SELKING , Ö. . 1972. Motility of the Human Digestive Tract under Resting Conditions and After Ingestion of Food: A Study with Endoradiosondes. Upsala Journal of Medical Sciences. 77, 3 (Sept. 1972), 167–174. DOI:https://doi.org/10.1517/03009734000000025.