Molecular pattern and HLA DR in thalassemia patients complicated by heart failure in upper Egypt Research Authors Rania Bakry - Khaled Nasef - Eman Mosaad _ Hosny badrawy - Khaled ehsaieh Research Department Department of Clinical Pathology Research Journal journal of Egyptain soceity og hematology Research Member Eman Massad Zaki El-Hefny Research Rank 2 Research Year 2009