Vue rapprochée d'un jeune scientifique concentré dans des lunettes tenant un tube à essai avec réactif en laboratoire chimique - Photo & image de stock

Female scientist in protective glasses holding flask with chemical sample

Young woman chemist in protective goggles making experiment in laboratory

Two young scientists holding chemical sample in test tube

Side view of attractive female scientist holding test tube with chemical sample

Young female scientist looking at chemical sample in test tube

Senior chemist looking at test tubes in laboratory

Young female scientist working with microscope in laboratory

Young female scientist making chemical experiment in laboratory