1. WHO classification of tumours of haematopoietic and lymphoid tissues,2008
2. National Cancer Institute. SEER Cancer Statistics Review, 1975–2006. Available at: http://seer.cancer.gov/csr/1975_2006/. Accessed January 23, 2009.
3. Incidence of cancer in children in the United States. Sex-, race-, and 1-year age-specific rates by histologic type;Gurney;Cancer,1995
4. Biologic features and treatment outcome of secondary acute lymphoblastic leukemia–a review of 101 cases;Shivakumar;Ann Oncol,2008