title: Gastrointestinal transit estimated by an isotope capsule.
mesh_terms: D000368:Aged; D002214:Capsules; D003106:Colon / Q000502:physiology / Q000503:physiopathology; D003248:Constipation / Q000503:physiopathology*; D003967:Diarrhea / Q000503:physiopathology*; D005769:Gastrointestinal Motility; D006801:Humans; D007457:Iodine Radioisotopes; D008875:Middle Aged; D013997:Time Factors
chemical_list: D002214:Capsules; D007457:Iodine Radioisotopes