Ravensbrück rabbits
https://nypost.com/2016/05/11/this-story-of-a-secret-sick-nazi-experiment-was-almost-never-told/
https://nypost.com/2016/05/08/the-women-tortured-by-nazi-doctors-and-the-american-heiress-who-saved-them/
https://www.elizabethwein.com/ravensbrueck-rabbits
https://en.wikipedia.org/wiki/Ravensbrück_concentration_camp