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Detection of Cre Activity in P0-Cre/CAG-CAT-EGFP Mouse During Embryonic Development. E9.5 (a, b) and E10.5 (c, d) embryos. Bright field images (a, c) and corresponding fluorescent images (b, d) (n = 5 each). ba1: branchial arch 1, ov: otic vesicle
