Inspecteur vérifiant les éprouvettes. L'homme porte des lunettes de protection - Photo & image de stock

Investigator checking test tubes. Man wears protective goggles

Young scientist making chemical tests in laboratory

Investigator checking test tubes. Man wears protective goggles

Medical or scientific researcher or doctor using looking at a solution in a laboratory

Medical or scientific researcher or doctor using looking at a solution in a laboratory

Medical or scientific researcher or doctor using looking at a solution in a laboratory

Medical or scientific researcher or doctor using looking at a solution in a laboratory

Medical or scientific researcher or doctor using looking at a solution in a laboratory

Medical or scientific researcher or doctor using looking at a solution in a laboratory

Medical or scientific researcher or doctor using looking at a solution in a laboratory

Medical or scientific researcher or doctor using looking at a solution in a laboratory

Young blond woman looking into a conical flask of blue coloured solution (liquid).

Medical researcher using looking at a solution in a laboratory