Tetrahydrobiopterin-dependent eNOS coupling mediates endothelial regeneration and attenuates vein graft atherosclerosis in ApoE-KO mice - Ali, Z; Alp, N; Hu, Y; Xiao, Q; Akthar, A; Douglas, G; Tatham, A; deBono, J; Greaves, D; Xu, Q; Channon, K (HEART, 2007)