1. Harvey, W.: Exercitatio Anatomica de Motu Cordis et Sanguinis in Animalibus. Frankfort, Gulielmi Fitzeri, 1628. Facsimile, Paris, G. Doine, 1950. (English translation by C.D. Leake, Springfield, Ill., Charles C. Thomas, 1928)
2. Lower, R.: Tractatus de Corde Item de Motu et Colore Sanguinis et Chyli in eum Transitu. London, 1669
3. Brown, J.: Philosophical Transactions of the Royal Society, vol. III. London, 1685, p. 248
4. Laennec, R.T.H.: Hemorrhagic pleurisy of the left side with ascites and organic diseases of the liver. Traite de l'auscultation mediate, vol. II, Paris, Chaude, 1826, p. 196
5. Lautenbach, B.F.: On a new function of the liver. Phil. Med. Times7:387, 1877