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(a) Results of the degradation tests: percentage of recovered weight (Wr) as a function of time, of the scaffolds of the two polymers GG-EDA-PEG A and B at 37 °C in DPBS; (b) 1H-NMR spectra of GG-EDA-PEG A (above) and B (below) after 7 days of degradation.
