9.
Wolf-Maier K, Cooper RS, Banegas JR, Giampaoli S, Hense HW, Joff res M, Kastarinen M, Poulter N, Primatesta P, Rodriguez-Artalejo F, Stegmayr B, Thamm M, Tuomilehto J, Vanuzzo D, Vescio F.: Hypertension prevalence and blood pressure levels in 6 European countries, Canada, and the United States. JAMA 2003, 289, 2363- 2369.