Man Researcher is Working with Blood in Test-tube in a Laboratory (Stock Footage)

Man Researcher is Working with Blood in Test-tube in a Laboratory (Stock Footage)

4K. The man holds a test-tube with blood in a right hand. The researcher raise up the test-tube at eye level and looks attentively on it. The man open the test-tube, take a medical dispense and gaining the medical dispenser a blood from test-tube.

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