@inproceedings{inproceedings16ce40b9, title = {Expression of TGF'beta'/ activin signaling mediators, smads 2/3, smad4, and smad7, in thyroid tumors}, author = {Matsuo, S. E. and Ebina, K. N. and Martins, L. and Kimura, Edna Teruko}, year = {2003}, booktitle = {Annual Meeting of the American Thyroid Association} }