Vlachopoulos, C Tsekoura, D Alexopoulos, N Panagiotakos, D and Aznaouridis, K Stefanadis, C, Type 5 phosphodiesterase inhibition by sildenafil abrogates acute
smoking-induced endothelial dysfunction, American Journal of Hypertension, (17), 1040-1044, 2004, Oxford University Press, 0895-7061, 1941-7225