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This is to certify that your paper entitled «Association between Serum Vitamin D Levels and Pregnancy Outcomes (A Review Article)» was indexed with 1 pages, in the CIVILICA citation database, code COI:ACPLMED21_070, after evaluation and approval of the referees of the "The 21st Annual Congress and the 4th International Congress of Pathology and Laboratory Medicine and The 8th Meeting of the Iranian Division of International Academy of Pathology (IAP)1 held in Tehran 2019.

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.