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This is to certify that your paper entitled «Epidemiological status of patients surgically treated for hydayid cyst, hospital based survey in Sabzevar city from 2012 till 2016» was indexed with 1 pages, in the CIVILICA citation database, code COI:MPHBS01_186, after evaluation and approval of the referees of the "International Conference on Medicine, Public Health and Biological Sciences (MPHBS) held in Tehran 2016.

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.