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(a–c) Moduli of 94/6–25% PLGA–PEG–PLGA hydrogels in the presence of different excipients (abbreviated as LA–GA_polymer concentration_excipients); (d) summary of storage and loss moduli and gelation time for the experimented hydrogel systems; and (e) cumulative release kinetics for 94/6–25% PLGA–PEG–PLGA hydrogels with excipients (n = 3).
