Ein medizinischer oder wissenschaftlicher Forscher oder Arzt betrachtet ein Reagenzglas mit flüssiger grüner Lösung in einem Labor. - Stockfoto & -bild

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

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.

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

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

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.

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

Woman researcher is surrounded by medical vials and flasks, isolated on white.

A female medical or scientific researcher or woman doctor looking at a test tube of clear solution in a laboratory .

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

Woman researcher is surrounded by medical vials and flasks, isolated on white background.

A female medical or scientific researcher or woman doctor looking at a test tube of clear solution in a laboratory .

Laboratory assistant woman analyzing a blood sample.

Woman researcher is surrounded by medical vials and flasks, isolated on white background.