Polak, J M Complete identification of endocrine cells in the gastrointestinal tract using semithin-thin sections to identify motilin cells in human and animal intestine. [electronic resource] - Gut Mar 1975 - 225-9 p. digital Publication Type: Journal Article ISSN: 0017-5749 Standard No.: 10.1136/gut.16.3.225 doi Subjects--Topical Terms: AnimalsCytoplasmic Granules--analysisDogsDuodenum--cytologyEnterochromaffin Cells--analysisFluorescent Antibody TechniqueGastrointestinal Hormones--analysisHistocytochemistryHistological TechniquesHumansIntestinal Mucosa--cytologyIntestine, Small--cytologyJejunum--cytologyMicroscopy, ElectronPeptidesSilver NitrateSwine