Cover

Thyroid enlargement in DREAM transgenic mice. Gross appearance of thyroid glands from wild-type and DREAM transgenic mice (Tg DREAM). Overexpression of DREAM in the thyroid gland of transgenic mice led to either diffuse (middle) or multinodular goiter (right). From the article in this issue by Rivas et al., pages 862–870.

The editors thank Dr. Ron Smith, Alcon Laboratories, Fort Worth, TX, for collaborating with the authors to create the figure on the cover.