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https://zankoline.co/2018/12/25/%da%a4%db%8c%d8%af%db%8c%db%86%db%8c-%d8%b3%d8%a7%d8%aa%db%8c-%d8%b3%d9%88%d8%aa%d8%a7%d9%86%d8%af%d9%86%db%8c-%d9%85%d8%a7%d9%84%db%8c-%d8%b3%db%8e%d9%88%db%95/
Why use the fly in research?