Ritratto di uno scienziato serio che lavora con un tubo da laboratorio - Foto e immagini stock

Side view of concentrated scientist working with laboratory tube

Professional scientist in protective eyeglasses making experiment with reagents in test tubes

Side view of serious scientist examining laboratory tube

Laboratory samples. Selective focus of test tubes with blue reagents being used for scientific research in the medical lab

Young female scientist in lab coat making experiment in chemical lab

Side view of man scientist in eyeglasses looking at test tubes with reagents in lab

Concentrated scientist in eyeglasses working with test tubes in lab

Side view of chemist making experiment in laboratory

Concentrated chemist in protective gloves making experiment in lab

Close up of woman scientist in protective glasses working in lab

Young male chemist with test tube in hands

Man scientist in protective gloves holding test tube with reagent

Smiling woman scientist in protective workwear holding flask with reagent in lab