4K Close up de pesquisador médico no laboratório olhando para uma corrediça sob microscópio - Banco de filmagens e vídeos

4K Close up portrait of smiling medical researcher working in the lab

4K Close up of medical researcher in the lab looking at a slide under microscope

4K Medical researcher looking at a slide under microscope and working on computer

4K Medical researcher looking at a slide under microscope and working on computer

Scientists drawing science formula on glass

4K Close up portrait of smiling medical researcher working in the lab

4K Close up of medical researcher in the lab looking at a slide under microscope

4K Medical researcher looking at a slide under microscope and working on computer

4K Medical researcher looking at a slide under microscope and working on computer

4K Medical researcher looking at a slide under microscope and working on computer