Ling P, Smith RJ, Kie S, Boyce P, Bistrian BR. Effects of protein malnutrition on IL-6-mediated signaling in the liver and the systemic acute-phase response in rats. American Journal of Physiology-Regulatory, Integrative and Comparative Physiology. 2004 Oct;287(4):R801–8. doi: 10.1152/ajpregu.00715.2003.