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によって AntonLozovoyVideo 3840x2160 px
ストックビデオID: 274978286
Focused african american doctor adding red liquid into test tube while making analysis in laboratory
Attenive african american scientist using dropper and petri dishes while making research in laboratory
Angry Doctor Thumbs Down Sign Bad News Concept
4K Close up of medical researcher in the lab looking at a slide under microscope
4K Close up medical researcher working in the lab looking into microscope
Selective focus of african american scientist using smartphone in clinical laboratory
African american scientist in glasses using microscope and then looking at camera
Cheerful african american doctor smiling and gesturing while talking on smartphone in laboratory
Handsome, positive african american doctor smiling while looking at camera