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![Nanomaterial-based hydrogels for coronary interventions: a mini review](https://image.oaes.cc/40ac66af-9c8c-4cfb-827b-2fd4c46402cc/3656.fig.5.jpg)
Figure 5. Survival of rats; PEG-20k improves survival duration vs. PEG-20k with saline placebo vs. saline placebo with epinephrine. Adapted with permission from Ge et al.[47]. *P = 0.0022 vs. PEG-20k with saline placebo; #P = 0.0016 vs. PEG-20k with Saline-A; †P = 0.0005 vs. PEG-20k with epinephrine; ‡P = 0.012 vs. saline placebo with epinephrine. PEG: polyethylene glycol