Donna di mentalità positiva sorridente mentre guarda una provetta - Foto e immagini stock

Female scientist loads samples in plastic tubes

Laboratory assistant with magnifier and test tube chemical liquid

Female lab worker and female

Happy woman lab assistant holding a test tube

Female scientist examining green liquid in beaker

Happy woman holding a pipette in a lab

Happy female worker wearing a mask in lab

Positive minded woman smiling while looking at a test tube

Beautiful female scientist comparing the liquids

Female scientist woman in the lab

Young woman in work glasses in the lab

Chemist looks at blue liquid in the test tube

Woman with a container in her hand liquid glasses

Female scientist looking at dna chain

Beautiful female scientist working in the laboratory

Woman is in a lab

Woman adding liquid to test tube with pipette in lab

Young woman looking into a conical flask of coloured solution