Investigador comprobando tubos de ensayo. El hombre lleva gafas protectoras - Foto e imágenes de stock

Investigator checking test tubes. Man wears protective goggles

Man scientist holding a test tube with liquid

Chemist looks at blue liquid in the flask. Horizontal view

Woman conducting a chemical experiment

Scientist working in the lab examines a test tube with liquid

Scientist hand holding a laboratory glassware for an experiment in a science research lab

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

Investigator checking test tubes. Man wears protective goggles

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

Woman scientist holding a test tube with liquid

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

Woman scientist holding a test tube with liquid

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