F D R Hobbs, A K Roalfe, G Y H Lip, K Fletcher, D A Fitzmaurice, J Mant et al
Hobbs F D R, Roalfe A K, Lip G Y H, Fletcher K, Fitzmaurice D A, Mant J et al.
Performance of stroke risk scores in older people with atrial fibrillation not taking warfarin: comparative cohort study from BAFTA trial
BMJ 2011; 342 :d3653
doi:10.1136/bmj.d3653