Platelet Antibodies, Activated Platelets and Serum Leptin in Childhood Immune Thrombocytopenic Purpura. Research Authors Badrawy H , Elsayh KI, Zahran AM, Mohamad Hamdy EL-Ghazali. Research Department Department of Clinical Pathology Research Journal Acta hematol Research Member Asmaa Mohamed Zahran Omar Research Rank 1 Research Year 2013