Doctor holding a positive test for covid2019, coronavirus. - Stock fotografie a obrázky

Close up. scientist recording the results of the study in a laboratory journal. photo with a copy-space.

Close up. image of a scientist looking through a microscope . photo with a copy-space.

Close up. scientists with samples of new drugs sitting at a laboratory table.

Close up of chemist scientist holding sample and examining test tube in special laboratory

This is not simple, it takes skill. an unrecognizable male scientist working in a lab

Medical doctor in the laboratory with a biological tube for analysis and sampling of Covid19 infectious disease. Coronavirus

Close up. scientists with samples of new drugs sitting at a laboratory table.

Professional scientist holding sample of experiment in pharmaceutical environment. close up of medical details

Scientist hands with dropper or pipette, examining samples and liquid

Scientist hand holding glass with blue liquid, conducting experiments and carrying out probes in special laboratoryaaa

Scientist hand holding sample in special laboratory, medical enviroment, hospital details and tools

Medical Scientist and chemist in laboratory using an pipette or dropper for liquid samples

Scientist doctor holding liquid sample, experiments and analysis of liquid in plastic test tubes

Doctor holding a glass test tube, a flask with blue liquid in special laboratory preparing for experiments

Details of medical laboratory, scientist hands using microscope for chemistry. Engineer Testing samples