This essay examines the historical significance of an APS classic paper that is freely available online: Guyton AC, Lindsey AW, and Kaufmann BN. Effect of mean circulatory filling pressure and other peripheral circulatory factors on cardiac output. Am J Physiol 180: 463-468, 1955 (http://ajplegacy.physiology.org/cgi/reprint/180/3/463).
Copyright 2004 American Physiological Society