Lamm-Fötus in externer Gebärmutter. Foto: artridge, Emily A.; Davey, Marcus G.; Hornick, Matthew A.; McGovern, Patrick E.; Mejaddam, Ali Y.; Vrecenak, Jesse D.; Mesas-Burgos, Carmen; Olive, Aliza; Caskey, Robert C.; Weiland, Theodore R.; Han, Jiancheng; Schupper, Alexander J.; Connelly, James T.; Dysart, Kevin C.; Rychik, Jack; Hedrick, Holly L.; Peranteau, William H.; Flake, Alan W. (25 April 2017). „An extra-uterine system to physiologically support the extreme premature lamb“. 8. The Author(s): 15112. Retrieved 2018-01-18., CC BY 4.0 , via Wikimedia Commons .