Schöner bärtiger Zahnarzt mit zahnärztlichem Instrument und Zahnmodell, während er in der Klinik lächelt - Stockfoto & -bild

Positive mood. Happy nice successful biologist holding a test tube and smiling while looking at you

Male chemist scientific reseacher looking at camera

Closeup.a scientist doing experiments in the laboratory.photo with copy space

Professional researcher. Pleasant nice handsome chemist standing in the lab and looking at you while being in a good mood

Male chemist scientific reseacher using microscope in laboratory

Young biologist in medical mask and latex gloves holding syringe near microscope

Selective focus of handsome scientist looking at test tube with blue reagent isolated on white

Handsome scientist in medical mask and medical gloves making test with microscope isolated on white

Handsome scientist in white coat and latex gloves standing with crossed arms and looking at camera isolated on white

Handsome scientist looking at test tube with blue reagent isolated on white

Selective focus of handsome scientist in protective glasses making experiment with microscope isolated on white

Cropped view of scientist in latex gloves holding digital thermometer

Handsome scientist in latex gloves holding digital thermometer and test tube with coronavirus lettering