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

Fig. 3.

Fig. 3

Population Doubling (PD) of uncoated versus hyaluronan (HA)-coated human biliary tree stem cells (hBTSCs) at different times in culture. PD was always higher in HA-coated cells as compared with uncoated hBTSCs. Data expressed as mean ± SD for three experiments; *p < 0.05, §p < 0.01