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Microdissection of IM. A: Tissue section from a typical area of gastric IM stained with the Genta stain. B: The immediately adjacent matched tissue section after microdissection of the mucosa containing IM. Dissection of IM tissue for DNA extraction was performed following the contour of the black line drawn over the matching adjacent tissue section, to exclude most of the lamina propria and the muscularis mucosae.
