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Lab technician pouring test liquid in tube, looking at reaction, lab rat in box
Scientist examining test sample through microscope, new medicine development
Female biologist preparing to test medicine on lab animal, vaccine development
Lab rat in plastic box on table, woman scientist mixing chemical liquids in tube
Scientist with rat at table in chemical laboratory, closeup. Animal testing
Lab researcher working at microscope, rat in plastic box on table, testing
Medical lab assistant taking genetic material for examination on paternity
Practitioner doing bacteriological analysis of blood at laboratory, close-up
Worker of medical laboratory preparing glass for tests based on blood samples
Researcher conducting blood test at modern medical laboratory, health care
Laboratory assistant taking drop of blood to detect antibodies and infections
Lab worker putting medical blood sample in place after examining for sediments
