COX-2 Expression in Highly Aggressive Thyroid Malignancies – Indication for a Possible Therapeutic Option? - Sheu, S-Y.; Grabellus, F.; Schwertheim, S.; Mann, K.; Ensinger, C.; Öfner, D.; Bockhorn, M.; Fuhrer, D.; Schmid, K. W. (Hormone and Metabolic Research, 2009)