Haplotypes of the beta-2 adrenergic receptor associate with high diastolic blood pressure in the Caerphilly prospective study. di Binder, A, Garcia, E, Wallace, C, Gbenga, K, Ben-Shlomo, Y, Yarnell, J, Brown, P, Caulfield, M, Skrabal, F, Kotanko, P, Munroe, P