Laboratory rats in cages. Laboratory rats are used in medical research because they are easy to breed and examine. These rats have been genetically mo

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Laboratory rats in cages. Laboratory rats are used in medical research because they are easy to breed and examine. These rats have been genetically modified for use in the laboratory. Photographed in the Health and Pollutants Laboratory of the INRS (the French National Institute of Research and Safety), Nancy, France. Tests are carried out here to establish the toxicity and cancer-causing properties of different materials, chemicals and pollutants.

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Size: 2704px × 4064px
Photo credit: © PASCAL GOETGHELUCK/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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