The elements of embryology / by M. Foster and the late Francis M. Balfour.

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The elements of embryology / by M. Foster and the late Francis M. Balfour. Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.