Selective focus of blurred scientist in gloves, goggles and face mask looking at test tube with blue liquid, shaking it
Selective focus of blurred scientist in gloves, goggles and face mask looking at test tube with blue liquid, taking sample with dropper from it
Medium shot of biomedical scientist in gloves, goggles and face mask holding test tube with blood sample
Close-up side-view of brown-eyed female scientist in gloves, goggles and face mask holding tube with liquid in modern laboratory
Slowmo PAN of female scientist in protective coveralls, goggles, gloves and face mask inspecting test tube with purple solution in lab
Close up with rack focus of male scientist in protective goggles and face mask looking at blood sample in test tube
Tilt up slowmo of disabled female scientist in protective coveralls, goggles, gloves and face mask inspecting solution in test tubes in lab
Close up shot of female scientist in goggles, gloves and face mask taking test tube with blood sample from rack and studying it
Close-up of young female lab assistant observing blue liquid in test tube
vintage scientist adding a blue liquid to a test tube
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Closeup of unrecognizable gloved scientist in face mask holding and examining red liquid in 9ml test tube while doing research in laboratory
African American male scientist in protective mask, glasses and gloves pouring blue liquid into test tubes with pipette while working on vaccine against omicron in laboratory