Una investigación exitosa. Joven científico agradable satisfecho con los resultados de la investigación manteniendo el vial sonriendo y pasándolo por alto . - Foto e imágenes de stock

Responsible moment. Young serious perspective discoverer sitting in the lab working with the text tubes and focusing on the one of the vials.

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Close up. scientist microbiologist at the laboratory table .science and technology

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Young chemist working with test tubes

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