6Vasan RS, Beiser A, Seshadri S,et al. Residual lifetime risk for developing hypertension in middle-aged women and men:The Framing-ham Heart Study[J]. JAMA,2002,287:1003 -1010.
7Zhang Y, Lee ET. Devereux RB, et al. Prehypertension, diabetes, and cardiovascular disease risk in a population-based sample: the Strong Heart Study[ J ]. Hypertension, 2006, 47:410 - 414.
8Kshirsagar AV, Carpenter M, Bang H, et al. Blood pressure usually considered normal is associated with an elevated risk of cardiovasculardisease[J]. Am J Med,2006,119:133-141.
9Erdogan D, Yildirim I, Ciftci O, et al. Effects of normal blood pressure, prehypertension, and hypertension on coronary microvascular function [ J ]. Circulation,2007,115 : 593 - 599.
10Player MS, Mainous AG 3rd, Diaz VA, et al. Prehypertension and insulin resistance in a nationally representative adult population[J]. J Clin Hypertens ( Greenwich ) ,2007,9:424 - 429.