close up of a glass test tube on white surface
Schlüsselwörter
test tube,
glasses,
laboratory,
science,
medicals,
research,
chemistry,
experiment,
laboratory,
empty,
white background,
scientific,
equipment,
transparent,
closeup,
analysis,
sample,
health care,
biology,
study,
tube,
container,
clear,
object,
still life,
isolated,
single
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