Improved outcome for children with acute lymphoblastic leukemia after risk-adjusted intensive therapy : A single-institution experience oleh Al-Nasser Abdallah, El-Solh Hassan, Vol Edward, El-Hassan Ibrahim, Alzahrani Ali, Al-Sudairy Reem, Al-Mahr Mohammed, Al-Musa Abdulrahman, Al-Jefri Abdulla, Saleh Mahasen, Rifai Samira, Belgaumi Asim, Osman Layla, Ashraf Khairy, Salim Mohammed, Silo Ameurfina, Roberts George