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African american scientist in glasses using microscope in lab
African american scientist in glasses looking at sample through microscope in lab
African american scientist in glasses writing on clipboard while looking at sample through microscope in lab
African american scientist sitting on chair and looking at sample through microscope in lab
African american scientist looking at sample through microscope in lab
Pretty, attentive scientists making research with microscope in laboratory
African american scientist using digital tablet, looking at glass flasks and using microscope in lab