Simões-Costa, Marcos S.; Vasconcelos, Michelle; Sampaio, Allysson C.; Cravo, Roberta M.; Linhares, Vania L.; Hochgreb, Tatiana; Yan, Chao Y.I.; Davidson, Brad; Xavier-Neto, José (2005). "The evolutionary origin of cardiac chambers". Developmental Biology. 277 (1): 1–15. doi:10.1016/j.ydbio.2004.09.026. PMID15572135.
Shoja, M.M.; Tubbs, R.S.; Loukas, M.; Khalili, M.; Alakbarli, F.; Cohen-Gadol, A.A. (2009). "Vasovagal syncope in the Canon of Avicenna: The first mention of carotid artery hypersensitivity". International Journal of Cardiology. 134 (3): 297–301. doi:10.1016/j.ijcard.2009.02.035. PMID19332359.
"Crocodilian Hearts". National Center for Science Education. 24 October 2008. Archived from the original on 26 September 2015. Retrieved 3 October 2015.
Alberts, B.; Johnson, A.; Lewis, J.; Raff, M.; Roberts, K.; Walters, P. (2002). Molecular Biology of the Cell (4th ed.). New York and London: Garland Science. ISBN978-0-8153-3218-3. Archived from the original on 17 August 2006. Retrieved 30 August 2017.
Simões-Costa, Marcos S.; Vasconcelos, Michelle; Sampaio, Allysson C.; Cravo, Roberta M.; Linhares, Vania L.; Hochgreb, Tatiana; Yan, Chao Y.I.; Davidson, Brad; Xavier-Neto, José (2005). "The evolutionary origin of cardiac chambers". Developmental Biology. 277 (1): 1–15. doi:10.1016/j.ydbio.2004.09.026. PMID15572135.
Shoja, M.M.; Tubbs, R.S.; Loukas, M.; Khalili, M.; Alakbarli, F.; Cohen-Gadol, A.A. (2009). "Vasovagal syncope in the Canon of Avicenna: The first mention of carotid artery hypersensitivity". International Journal of Cardiology. 134 (3): 297–301. doi:10.1016/j.ijcard.2009.02.035. PMID19332359.
Bailey, Regina. "Circulatory System". biology.about.com. Archived from the original on 29 November 2016. Retrieved 23 February 2022.
"Crocodilian Hearts". National Center for Science Education. 24 October 2008. Archived from the original on 26 September 2015. Retrieved 3 October 2015.
Alberts, B.; Johnson, A.; Lewis, J.; Raff, M.; Roberts, K.; Walters, P. (2002). Molecular Biology of the Cell (4th ed.). New York and London: Garland Science. ISBN978-0-8153-3218-3. Archived from the original on 17 August 2006. Retrieved 30 August 2017.