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Detection of EBER-positive cells (arrows) in the lamina propria (A), in the neighborhood to a fissural ulcer (B), and in the periphery of a lymphoid follicle (C) in specimens with Crohn’s disease and in the stroma of an adenocarcinoma of the colon (D) by in situ hybridization using [35S]-labeled anti-sense RNA probes. The relative density of EBER-positive cells per section area is low. Autoradiographic exposure time, 4 days; original magnifications, ×50 (A–C) and ×75 (D).
