6Korpelainen J T,Sotaniemi K A,Huikuri H V,et al.Circadian rhythm of heart rate variability is reversibly abolished in ischemic stroke[J].Stroke,1997,28:2150-2154.
7Veerman D P,Imholz B P M,Wieling W,et al.Circadian profile of systemic hemodynamics[J].Hypertension,1995,26:55-59.
8Palatini P,Penzo M,Racioppa A,et al.Clinical relevance of nighttime blood pressure and daytime blood pressure variability[J].Arch Intern Med,1992,152:1855-1860.