1) Smolensky MH, Haus E: Circadian rhythms and clinical medicine with applications to hypertension. Am J Hypertens. 2001; 14: 280S-290S.
2) Muller JE et al: Circadianvariation and tri-ggers of onset of acute cardiovascular di-sease. Circulation. 1989 Apr; 79(4): 733-43.
3) Moore RY, Lenn NJ: A retinohypothalamic projection in the rat. J Comp Neurol. 1972; 146: 1-14.
4) Stephan FK, Zucker I: Circadian rhythms in drinking behavior and locomotor activity of rats are eliminated by hypothalamic lesi-ons. Proc Natl Acad Sci U S A. 1972; 69: 1583-1586.