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This is to certify that your paper entitled «Environmental and risk assessment with HAZOP method of hazardous heavy metals in men health by reproductive management indexes ,Case studies: Mercury and Cadmium in miner workers in Semnan-Iran» was indexed with 1 pages, in the CIVILICA citation database, code COI:IHSC10_123, after evaluation and approval of the referees of the "the 10th university students conference on innovations in health sciences held in Tehran 2017.

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.