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The chondrogenic intact pellets were digested with collagenase II (Col II) and collagenase P (Col P) in presence of CaCl2 for different time points. The released cell numbers are shown after (A) 90-min and (B) 120-min incubation. Similarly their morphology is given after (C) 90-min and (D) 120-min enzymatic digestion. Bar: 100 μm.
