Zbliżenie afrykańskiego amerykańskiego naukowca w okularach za pomocą mikroskopu - Materiał filmowy & wideo

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 with backlit

Portrait of smiling african american doctor in glasses looking at camera

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

Cropped view of doctor giving blister pack with pills to patient

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