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Journal of Oncology
Volume 2012, Article ID 391917, 10 pages
http://dx.doi.org/10.1155/2012/391917
Research Article

Definitive Radiotherapy versus Postoperative Radiotherapy of Patients with Oro- and Hypopharyngeal Cancer: Impact of Prognostic Factors

1Department of Radiation Oncology, University of Heidelberg, Heidelberg 69120, Germany
2Department of Radiation Oncology, Saad Specialist Hospital, Al-Khobar 31952, Saudi Arabia
3Department of Head and Neck Surgery, University of Leipzig, Leipzig 04103, Germany

Received 11 September 2011; Accepted 9 October 2011

Academic Editor: Dirk Rades

Copyright © 2012 Volker Rudat et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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