Positive african american female scientist or medical in lab coat holding test tube with reagent, laboratory glassware containing chemical liquid. Microscope, Biochemistry laboratory research. - Stockfoto & -bild

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Professional african american woman microbiologist or medical worker use test tube filling with blood and microscope writing research results in the laboratory.

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Positive african american female scientist or medical in lab coat holding test tube with reagent, laboratory glassware containing chemical liquid. Microscope, Biochemistry laboratory research.

Young beautiful African American girl doctor in a white coat with a stethoscope. sitting at a table with reagent flasks on white background. Investigator checking test tubes

Professional african american man microbiologist or medical worker use test tube filling with blood and microscope writing research results in the laboratory.

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Young beautiful African American girl doctor in a white coat with a stethoscope. sitting at a table with reagent flasks on white background. Female lab assistant studying blood sample for analysis.

Young beautiful African American girl doctor in a white coat with a stethoscope. sitting at a table with reagent flasks on white background. Investigator checking test tubes

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