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This is to certify that your paper entitled «فاکتور رشد فیبروبلاست در منی مردان و همبستگی آن با شاخص های اسپرم» was indexed with 7 pages, in the CIVILICA citation database, code COI:JR_JKH-20-4_001, after evaluation and approval of the referees of the "Journal of Knowledge & Health Vol 20, Issue 4 , Year 2026.

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