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Hass SL, Ransom JE, Brown RD Jr, O'Fallon WM, Whisnant JP, Leibson CL.Hass SL, et al. Among authors: leibson cl.Mayo Clin Proc. 2001 May;76(5):493-500. doi: 10.4065/76.5.493.Mayo Clin Proc. 2001.PMID: 11357796