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. 2022 Feb 23;32(1):313–319. doi: 10.1007/s00062-022-01142-5

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Fig. 5 — CD34 immunoreactivity was only present in the endothelium of the numerous vessels but not in the stromal cells. Asterisk indicates vascular lumen. The arrow points to the CD34-positive endothelial layer. Scale bar: 50 µm