CaprylatesPeriodic Acid-Schiff ReactionGastric EmptyingPeriodic AcidPropanthelineDecanoic AcidsThioctic AcidBreath TestsFatty AcidsAlcian BlueCarbon IsotopesPolyethylene GlycolsPolyhydroxyalkanoatesHistocytochemistrySialomucinsGlycolsEthylene GlycolsHematoxylinMucinsStaining and LabelingCarbohydratesCarboxylic AcidsMucusChromatography, GasPropylene GlycolGlycogenElectrophoresis, Polyacrylamide GelMicroscopy, Electron