portrait shot asian young male scientist white lab coat and rubber gloves sitting smiling using microscope laboratory

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Portrait shot of Asian young male scientist in white lab coat and rubber gloves sitting smiling using microscope in laboratory Royalty Free Stock Photo

Portrait closeup shot of Asian mature male scientist teacher in white lab coat safety goggles and rubber gloves using microscope Royalty Free Stock Photo

Portrait shot of Asian young male scientist in white lab coat safety goggles and rubber gloves standing smiling showing green Royalty Free Stock Photo

Portrait shot of Asian young male scientist in white lab coat and rubber gloves sitting smiling using microscope in laboratory

Portrait shot of Asian young male scientist in white lab coat and rubber gloves sitting smiling using microscope in laboratory while colleague wearing safety goggles writing result on paper clipboard