Cell Cycle Deregulation and TP53 and RAS Mutations Are Major Events in Poorly Differentiated and Undifferentiated Thyroid Carcinomas.Published in:2014By:Pita, Jaime Miguel;Figueiredo, Inês Filipa;Moura, Margarida Maria;Leite, Valeriano;Cavaco, Branca MariaPublication type:Journal Article