Bosmia A, Watanabe K, Shoja MM, Loukas M, Tubbs RS (July 2013). "Michael Servetus (1511-1553): physician and heretic who described the pulmonary circulation". International Journal of Cardiology. 167 (2): 318–21. doi:10.1016/j.ijcard.2012.06.046. PMID22748500.
Bosmia A, Watanabe K, Shoja MM, Loukas M, Tubbs RS (July 2013). "Michael Servetus (1511-1553): physician and heretic who described the pulmonary circulation". International Journal of Cardiology. 167 (2): 318–21. doi:10.1016/j.ijcard.2012.06.046. PMID22748500.