Junge Wissenschaftlerin legt Probe mit Pipette in Nahaufnahme - Stockfoto & -bild

A medical or scientific researcher or doctor looking at a test tube of liquid green solution in a laboratory.

Young scientist puts sample with pipette close up

Portrait of pretty female laboratory assistant analyzing a blood sample at hospital .

A medical or scientific researcher or doctor looking at a test tube of liquid green solution in a laboratory.

Researcher, doctor, scientist or laboratory assistant working with plastic medical tubes in modern lab or hospital.

Portrait of pretty female laboratory assistant analyzing a blood sample at hospital .

A medical or scientific researcher or doctor looking at a test tube of liquid green solution in a laboratory.

Young scientist puts sample with pipette close up

Attractive concentrated chemist holding pipette and working at laboratory

Young male scientist working with microscope at the clinic laboratory

Gynecologist examining a patient with a colposcope, check up healthcare patient

Concentrated chemist holding pipette and working at laboratory on new project

Young chemist in the laboratory holding tubes and bring them to research

Scientist checking sample of wheat at tubes, doing contol about change at research close up