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. 2017 Feb 20;2017:9064046. doi: 10.1155/2017/9064046

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Copyright © 2017 E. C. C. Castro et al.

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Expression of SERT in the pulmonary endothelium during development (3,3′-diaminobenzidine, SERT antibody expression in brown). (a) At 16 WGA (pseudoglandular stage); no SERT expression is detected (400x). (b) At 28 WGA (canalicular stage) no SERT expression is detected (400x). (c) At 30 WGA (saccular stage) patchy capillary SERT staining (arrows) is detected (400x). (d) At 37 WGA (alveolar stage) diffuse and intense microvascular staining of SERT (arrows) is evident (400x). (e) At one year of age SERT staining (arrows) is diffuse and intense (400x). (f) At 10 years of age SERT staining (arrows) remains diffusely present (400x).