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FIGURE 2. Autoradiography from fibrotic lung sample, with enlarged views of boxed areas shown on right. (A) Hematoxylin- and eosin-stained section showing blood vessels (arrowheads). (B) Autoradiogram showing total binding of [125I-Tyr3]octreotide. Medium-sized vessels are clearly labeled (arrowheads). Weak labeling may also be seen in some lymphoid aggregates. (C) Autoradiogram showing strong, nonspecific binding that remains in presence of octreotide (1 µmol/L) in several elements of lung. Bar = 1 mm.
