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Columns: (A) Control. (B–F) ∼3% (w/v) iodine-buffered formalin solution after three (B), 10 (C), 15 (D), 18 (E), and 25 (F) days. Scale bar equal to 5 mm. Rows: (G) Corresponds to brachial area, (H) antebrachial area and (I) to the avian hand.
