1. Curran-Everett D.: A classic learning opportunity from Arthur Guyton and colleagues (1955): circuit analysis of venous return. Adv. Physiol. Educ. 31: 129–135, 2007.
2. Hildebrandt G., Moser M., Lehofer M.: Chronobiologie und Chronomedizin. Hippocrates Verlag, Stuttgart, 1998.
3. Koeken Y.J.C.: The Role of the Larger Veins in Cardiopulmonary Resuscitation. M.Sc. Thesis, Eindhoven Tech. Univ., Eindhoven, The Netherlands, 2009.
4. Kouwenhoven W.B., Jude J.R. and Knickerbocker G.G.: Closed chest cardiac massage. JAMA 173: 1064–1067, 1960.
5. Kresch E.: Cross-sectional shape of flexible tubes. Bull. Math. Biol. 39: 679–691, 1977.