Homme scientifique en lunettes et blouse blanche examinant une éprouvette avec réactif en laboratoire - Photo & image de stock

Concentrated chemist in protective gloves making experiment in lab

Concentrated scientist in eyeglasses working with test tubes in lab

Best employers. Adult handsome self-confident scientist standing in the lab looking straight and keeping his notebook.

Young male chemist with test tube in hands

Young doctor preparing a syringe for injection

Portrait of concentrated woman scientist working in lab

Portrait of focused man scientist in protective glasses writing in notepad

Man scientist in white coat working with microscope in lab

Concentrated man teacher and girl student scientists working with molecular model in lab

Portrait of concentrated scientists looking at microscope slide in lab

Portrait of serious scientist working with laboratory tube

Portrait of smiling scientists writing in notepad in lab

Portrait of smiling scientist showing laboratory tubes and looking to camera