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. 2019 Jan 29;8(1):1565262. doi: 10.1080/20013078.2019.1565262

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© 2019 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group on behalf of The International Society for Extracellular Vesicles.

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 2. — Electron microscopy images of SF-EV (a) non-labelled and (b) bio-maleimide-labelled pooled SF-EVs (n = 11) were analysed by transmission electron microscopy. SF-EVs between 20 and 300 nm in size were detected and protein aggregates were not found. Arrows mark SF-EVs detected in the samples.