This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Mice . Three different strains of mice used in experiments Visible is technician's hands holding the three test animals Topics Animals Type Color Other Source National Cancer Institute Linda Bartlett Photographer Reuse Restrictions None This image is in the public domain and can be freely reused Please credit the source and author