1) Griffith GH, Owen GM, Kirkman S, et al : Measurement of rate of gastric emptying using chromium 51. Lancet 1 : 1244-1245, 1966.
2) Ghoos YF, Maes BD, Geypens BJ, et al : Measurement of gastric emptying rate of solids by means of a carbon-labeled octanoic acid breath test. Gastroenterology 104 : 1640-1647, 1993.
5) Fidler J, Bharucha AE, Camilleri M, et al : Application of magnetic resonance imaging to measure fasting and postprandial volumes in humans. Neurogastroenterol Motil 21 : 42-51, 2009.