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This is to certify that your paper entitled «The association between p21 and HRAS overexpression and grading, heterogeneity, and likelihood of prognosis and relapse in urothelial carcinoma of the bladder» was indexed with 2 pages, in the CIVILICA citation database, code COI:AFZMED02_004, after evaluation and approval of the referees of the "Second Afzali Pour International Medical Congress held in Kerman 2018.

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 conference 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.