Sonographic staging of the developmental
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Ching-Pin Chang; Lei Chen; Gerald R. Crabtree
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Article
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2003
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John Wiley and Sons
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English
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## Abstract Summary: In mouse developmental studies it is frequently desirable to isolate embryos of a specific age. However, the traditional staging of embryonic development based on postcoital dates often erroneously predicts the embryonic age, resulting in unwarranted sacrifice of the pregnant m