1. Gastric emptying and intestinal absorption during prolonged severe exercise;Fordtran, J.S.; Saltin, B.;J Appl Physiol,1967
2. Read NW, Miles CA, Fisher D et al. Transit of a meal through the stomach, small intestine and colon in normal subjects and its role
3. A simple clinical method for measuring gastric emptying of solid meals;Ostick, D.G.; Green, G.; Howe, K.; Dymock, I.W.; Cowley, D.J.;Gut,1976
4. Investigation of small bowel transit time in man utilising pulmonary hydrogen (H2) measurements;J Lab Clin Med,1974
5. A simple method of measuring breath hydrogen in carbohydrate malabsorption by end expiratory sampling;Metz, G.; Gassull, M.A.; Leeds, A.R.; Blendis, L.M.; Jenkins, D.J.A.;Clin Sci Mol Med,1976