1. Dalton C. Chapter 4: Galen. In: Doctrines of the Circulation: A History of Physiological Opinion and Discovery in Regard to the Circulation of the Blood. Philadelphia: Henry C. Leas’s Son & Co; 1884. p. 250–1.
2. Galen. Synopsis of chapters. In: Galen on the Natural Facilities. Brock AJ, translator. London: William Heinemann; 1916. p. xliii–1.
3. Vieussens R. De la structure de la surface interne de ventricule gauche du coeur. In: Traité nouveau de la structure et des causes du mouvement naturel du coeur. Toulouse: Jean Guillemette; 1715. p. 101–20.
4. Cowper W. Of ossifications or petrifications in the coats of arteries, particularly in the valves of the great artery. Phil Trans. 1702–1705;23–24:1970–7.
5. Bertin RJH. Introduction. In: Traité des maladies du coeur et des gros vaisseaux. Paris: J.-B. Baillière; 1824. p. xvii–xlviii.