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Attractive young medical doctors are working with test tubes and microscope at the lab
Laboratory diagnosis of synthetic substances, Scientist or researcher examines the substance in vitro and record information, Lab experiments, Researchers scientist working analysis with test tube.
Beautiful medical doctors are working with test tubes and microscope at the lab
Beautiful medical doctors in gloves, masks and glasses are working with substances in test tubes and microscope at the lab
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Two scientists conducting research in a lab environment
Senior chemistry professor and his assistant working in laboratory.
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