Concomitant Boost Accelerated Radiation Therapy for Advanced Squamous Cell Carcinoma of the Larynx and Hypopharynx. Research Authors Mahfouz HA, Zedan A, Abd Elrazik MA, Abdalla AA Research Department Department of Medical Oncology Research Journal Assiut Med. J.,21,1997. Research Member Ashraf Zeidan Abdalla Ahmed Research Rank 2 Research Year 1997