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. 2021 Jan 22;20(2):733–750. doi: 10.1007/s10237-020-01413-5

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© The Author(s) 2021

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Fig. 7 — Example of histologically H&E stained slides of embryonic chick hearts at different stages. a The orientation and anatomy of HH25 for control and LAL hearts. b The anatomy of HH30 for control and LAL hearts