
"The Limits of Endurance"
The Life of Birds (1998)
A. Krogh (1929). The progress of physiology, American Journal of Physiology 90:243–251.
See Krogh Principle
Famously quoted by an important microbiologist in: Krebs H. A. (1975). The August Krogh Principle: "For many problems there is an animal on which it can be most conveniently studied." Journal of Experimental Zoology 194:221–226.
"The Limits of Endurance"
The Life of Birds (1998)
" Predators: A Response https://opinionator.blogs.nytimes.com/2010/09/28/predators-a-response/", The New York Times, 28 Sept. 2010
Source: Against a Scientific Justification of Animal Experiments, pp. 345-346