Expression and Mutation Analysis of the Tyrosine Kinase c-Kit in Poorly Differentiated and Anaplastic Thyroid Carcinoma - Broecker-Preuss, M.; Sheu, S.-Y.; Worm, K.; Feldkamp, J.; Witte, J.; Scherbaum, W. A.; Mann, K.; Schmid, K. W.; Schott, M. (Hormone and Metabolic Research, 2008)