Original paper<br>Correlation between level of sodium/iodide symporter expression in tissue sections and some clinical parameters in patients with nodular goiter oleh Anhelli Syrenicz, Małgorzata Wolny, Andrzej Kram, Krzysztof Sworczak, Małgorzata Syrenicz, Barbara Garanty-Bogacka, Mieczysław Walczak