Estudiante con anteojos mirando al profesor trabajando con microscopio en el laboratorio - Foto e imagen de stock

Little student with eyeglasses looking at teacher working with microscope in lab

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Smiling bearded teacher looking at little student working with microscope in lab

Selective focus of scientist in white coat and eyeglasses at workplace with microscope in laboratory

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Smiling middle aged scientist in protective eyewear working with microscope and colleague standing behind

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Smiling bearded scientist looking at colleague working with microscope

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