Variability of aortic stiffness is not associated with the fibrillin 1 genotype in patients with Marfan's syndrome. Issue 7 (14th June 2006) - De Backer, J; Nollen, G J; Devos, D; Pals, G; Coucke, P; Verstraete, K; van der Wall, E E; De Paepe, A; Mulder, B J M