R Clarke, J Halsey, S Lewington, E Lonn, J Armitage, J. E Manson, K. H Bonaa, J. D Spence, O Nygard, R Jamison, J. M Gaziano, P Guarino, D Bennett, F Mir, R Peto, R Collins and for the B Vitamin Treatment Trialists' Collaboration
Archives of Internal Medicine 170 ( 18 ): 1622 - 1631 , 2010