Boldog, Sztomatológia tanfolyam hallgatói munka idős mosolygó női fogorvos - Stock fotó és kép

Older experienced stomatology professor checking her students' work during practical exam

Female scientist working on chemicals in laboratory

Chinese Asian woman female medical scientist, scientific researcher or doctor looking at a test tube of clear liquid in a medical research lab or laboratory with her behind her. Panoramic web banner panorama

Scientist using pipette in a laboratory, horizontal

Experienced chemist wearing a uniform and looking at a bottle with chemical substance

Shot of a group of doctors having a meeting

Close-up of a woman doing experiment using test tubes

Lab technician holding flask with clear solution