Nahaufnahme eines afrikanisch-amerikanischen Wissenschaftlers in Brille mit Mikroskop mit Hintergrundbeleuchtung - Stock-Footage & -Video

Selective focus of african american scientist in glasses using microscope with sunlight on background

Close up view of african american scientist in glasses using microscope

Focused female scientist in white coat looking through microscope in laboratory

Selective focus of female scientist in white coat looking through microscope in laboratory

4K Extreme close up of medical researcher in the lab looking into microscope

4K Close up of medical researcher working in the lab looking into microscope

Selective focus of african american scientist in glasses using microscope with sunlight on background

Close up view of african american scientist in glasses using microscope

Selective focus of african american scientist in glasses looking at blood sample in flask

Selective focus of african american scientist in glasses using microscope with back light

Portrait of smiling african american doctor in glasses looking at camera

African american scientist in glasses using microscope and then looking at camera