- Address correspondence and reprint requests to Khalid El-Husseiny, MD, Department of Clinical Oncology, Faculty of Medicine, Ain Shams University, Khalifa El-Maamon St, Abbasiya Square 11566, Cairo, Egypt. E-mail: Khaliden69@hotmail.com.
- Received September 1, 2015
- First published March 1, 2016.
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