Крупний план. медичні колеги порівнюють результати випробувань. наука і здоров'я . - Стокове фото та зображення

Changing variables while conducting tests. a scientist using a dropper and petri dish in a lab

Close-up of professional female scientist in protective eyeglasses making experiment with reagents or blood test in laboratory. Medicine, biotechnology and research concept.

Close-up of professional female scientist in protective eyeglasses making experiment with reagents or blood test in laboratory. Medicine, biotechnology and research concept.

Close-up of professional female scientist in protective eyeglasses making experiment with reagents or blood test in laboratory. Medicine, biotechnology and research concept.

DNA research. Nice professional male doctor holding a blood sample and looking at it while working in the medical laboratory

Female laboratory assistant analyzing a blood sample at hospital. Medicine, health care and researching concept.

Close up. group of scientists work in a medical laboratory . photo with a copy-space.

Close up. group of laboratory technicians conduct testing in the laboratory . photo with a copy-space.

Close up. group of scientists sitting at a laboratory table. photo with a copy-space.

Close up. test tube in the hands of a laboratory assistant. science and health.

Close up. researcher looking at a liquid in a medical flask. science and health.

Close up. group of scientists sitting at a laboratory table. photo with a copy-space.

Close up. group of scientists testing the results of a new vaccine . photo with a copy-spac

Close up. background image of a laboratory assistant in a medical laboratory . photo with a copy-space.