Will the 13C-octanoic acid breath test ever replace scintigraphy as the gold standard to assess gastric emptying?

P>The applicability of the C-13-octanoic acid breath test for the assessment of gastric emptying is discussed. In the current issue of this journal, Keller and her colleagues described the application of different mathematical models for analysis of the C-13-octanoic acid test in a very large patient population.