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This is to certify that your paper entitled «Determining factors contributing to the five-year survival of children suffering from acute lymphoblastic leukemia based on tree survival model in the presence of competing risks» was indexed with 11 pages, in the CIVILICA citation database, code COI:JR_JOBJ-6-4_004, after evaluation and approval of the referees of the "Jorjani Biomedicine Journal Vol 6, Issue 4 , Year 2022.

While offering our congratulations on the indexation of your paper, please be informed that this certificate is prepared based on the information submitted by the secretariat of the above journal and the information contained in the CIVILICA database, and the accuracy of its content can be inquired at any time through link provided at the bottom of the page or scanning the code image.