Koeputket, joissa on nestettä kemiallisessa laboratoriossa sumealla pohjalla - Kuvapankin valokuva ja kuva

Scientist with equipment and science experiments, laboratory glassware containing chemical liquid for research or analyzing a sample into test tube in laboratory.

Double exprosure test-tube in laboratory.

Close-up of professional chemist examining drug sample. Lab researcher investigating coloured liquid of chemical agent under microscope. Scientific research concept

Focus on Blood test tube of COVID19, Coronavirus or Novel corona virus epidemic disease. Lab technician scientist in PPE Personal Protective Equipment holding blood tube test in hospital laboratory.

Test tubes on table in laboratory

Multicolored laboratory test tubes and microscope in laboratory. Analysis of chemical fluids in clinical laboratory.

Closeup-pipette dropping a sample into a test tube in an experiment research in laboratory