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. 2017 Mar 20;8:68. doi: 10.1186/s13287-017-0492-7

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© The Author(s). 2017

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 2 — Cell viability of hyaluronan (HA)-coated and uncoated human biliary tree stem cells (hBTSCs) at different times in cultures. After 7 and 14 days in culture, viability (trypan blue exclusion) was better in HA-coated as compared with uncoated hBTSCs. Data expressed as mean ± SD for three experiments; *p < 0.05