"Knuckle sign", Turner's syndrome, and congenital hypothyroidism.

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@article{Arias1980KnuckleST, title={"Knuckle sign", Turner's syndrome, and congenital hypothyroidism.}, author={Suzette Arias and Elizabeth A. Zimmer}, journal={Lancet}, year={1980}, volume={2 8208-8209}, pages={1380} }