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(A) Images of representative samples from day 56 for untreated and chABC-treated constructs. Bar = 1 mm. For Study 2, on day 0, the construct diameter was 4.00 ± 0.09 mm and the wet weight was 26.6 ± 0.6 mg. (B) Swelling ratio of constructs at day 56. The initial wet weight of constructs was 26.6 ± 0.6 mg at day 0. ‘a’ denotes p < 0.05 versus control.
