Osteopontin Gene Polymorphism in Stroke Patients in Egypt

"Blood samples will be collected from stroke patients within 24 hrs of stroke and normal volunteers.~Two samples will be collected serum and plasma; five ml whole blood from patients and normal volunteers and centrifuge serum samples at 1500 rpm 10 min then will be stored at - 80 °C until the day of the analysis.~Plasma samples will be stored at - 80 °C until the day of the analysis without centrifugation"