Stagiaire heureuse travaillant avec des liquides chimiques en laboratoire - Photo & image de stock

Woman student in a chemistry lab smiling at the camera

Happy female scientist with laboratory glass

Female lab worker looking at pipettes

A beautiful female medical or scientific researcher in lab

Female lab worker doing tests in a laboratory

Female scientist working in laboratory

Woman with a pipette in her hands

Close-up of professional female scientist in protective eyeglasses

Chemical laboratory worker looking at results

Amazing blue liquid in lab

Two female lab assitants

Young male lab worker holding flasks

Scientist man holding molecule form isolated on

Female scientist loads samples in plastic tubes

Male student of chemistry working in laboratory

Woman scientist adding liquid to test tube

Two young female scientist doing experiments in lab

Woman scientist in laboratory

Concentrated young female scientists