Fiducioso uomo medico indossa unifrom e occhiali in piedi isolato su sfondo bianco, tenendo becher - Foto e immagini stock

Side view. scientist looking at a liquid in a laboratory flask .isolated on a white background.

Chemist holding up beaker of yellow chemical in the laboratory isolated on white background

In full growth. competent doctor with a laboratory flask. isolated on a white background.

Side view of chemist holding up beaker of red chemical in the laboratory isolated on white background

Young scientist in protective mask posing on black background

Medicine, science, healthcare and people concept - male doctor or scientist in white coat and safety glasses touching something invisible over black background

In full growth. competent doctor with a laboratory flask. isolated on a white background.

In full growth. Mature doctor looking at liquid in a laboratory flask .isolated on a white background.

New reagent. Blue liquid. Close-up of young chemist, doctor conducts chemical research isolated on white background. Concept of healthcare, pharmaceuticals, medicine. Copy space for ad. Top view

Serious doctor with a laboratory flask in his hands . isolated on a white background.

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Scientist holding up beaker with of chemical yellow liquid. Concept of chemical research

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In full growth. competent doctor with a laboratory flask. isolated on a white background.

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Amazed Caucasian man in uniform holding flask-beaker and pointed his finger on it - Isolated on white background