Muž ve věku. Jistý muž osoba vrásek čela a stisknutí rty, zatímco sedí v laboratoři v semifinále pozici - Stock fotografie a obrázky

Close up. scientists work in the laboratory for blood research. science and health.

Close up. sample of the vaccine in the hands of a scientist . photo with a copy-space.

Biologists uniform. Good-looking alert smiling budding woman scientist wearing a uniform and glasses and holding a marker while being in the lab

Researcher at work in a laboratory

Close up. scientist conducts research in the laboratory. science and health protection.

Close up. scientist in a protective mask conducts research in the laboratory. science and health protection.

Blonde successful woman researcher working with medical samples, holding test tube with blue liquid, making microbiology investigating in laboratory.

Blood test. Profile photo of competent practitioner while holding test glass with blood and going to test it while sitting in the lab

Unrecognizable female scientist or doctor working with liquid in flask, using pipette, examines medical samples in laboratory.

Attractive concentrated female scientist in protective gloves dropping liquid substance into the test tube with a pipette in the scientific chemical laboratory.

Pressing lips. Very attentive medical worker wearing protective glasses working in the laboratory while doing experiment

Work in pair. Very attentive lab assistant looking downwards and taking blood for checkup while being very concentrated

Medical female scientist looking under microscope, doing analysis of test sample, ambitious biotechnology specialist working in laboratory.

Busy technician. Technician in blue gloves pouring blood sample into the test tube and looking concentrated