Effect of atorvastatin on stroke in patients with type 2 diabetes: factors predicting the risk of stroke in the Collaborative Atorvastatin Diabetes Study (CARDS) - Hitman, G; Newman, C; Szarek, M; Colhoun, H; Betteridge, J; Durrington, P; Neil, A; Livingstone, S; Fuller, J; Investigators, CARDS (2005)