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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 mixing test liquid in tube looking at reaction, lab rat sitting in box
Scientist sitting at table, test rat in plastic box, medicine testing on animals
Researcher pouring blue chemical liquid on microscope glass, test rat in box
Selective focus of white mouse in petri dish near veterinarian in latex gloves and microscope
Scientist monitoring rat behavior after experiment, animal testing, development
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
Chemical lab developing new substance for production of household chemicals
Lab technician preparing glass with biochemical substance for examination
